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Resource StructureDefinition/FHIR Server from package hl7.cda.us.eyecare#current (203 ms)

Package hl7.cda.us.eyecare
Type StructureDefinition
Id Id
FHIR Version R5
Source http://hl7.org/cda/us/eyecare/https://build.fhir.org/ig/HL7/cda-eyecare/StructureDefinition-AidToVisionObservation.html
Url http://hl7.org/cda/us/eyecare/StructureDefinition/AidToVisionObservation
Version 0.1.0
Status draft
Date 2024-02-07T21:17:12+00:00
Name AidToVisionObservation
Experimental False
Realm us
Authority hl7
Description A constraint on ResultObservation that is used to indicate the type of vision aids used in a Visual Acuity measurement.
Type http://hl7.org/cda/stds/core/StructureDefinition/Observation
Kind logical

Resources that use this resource

StructureDefinition
VisualAcuityOrganizer VisualAcuityOrganizer

Resources that this resource uses

StructureDefinition
http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation Result Observation
http://hl7.org/cda/us/eyecare/ValueSet/AidToVisionCodes Aid to Vision Codes


Narrative

Note: links and images are rebased to the (stated) source

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 1..1ResultObservationXML Namespace: urn:hl7-org:v3
Elements defined in Ancestors: @nullFlavor, realmCode, typeId, templateId, @classCode, @moodCode, @negationInd, id, code, derivationExpr, text, statusCode, effectiveTime, priorityCode, repeatNumber, languageCode, value, interpretationCode, methodCode, targetSiteCode, subject, specimen, performer, author, informant, participant, entryRelationship, reference, precondition, sdtcPrecondition2, referenceRange, sdtcInFulfillmentOf1, templateId, templateId, classCode, moodCode, id, code, text, statusCode, effectiveTime, value, value, value, interpretationCode, methodCode, targetSiteCode, author, referenceRange
Base for all types and resources
Instances of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... code
.... @code 0..1csRequired Pattern: 257192006
.... @codeSystem 0..1oid, uuid, ruidRequired Pattern: 2.16.840.1.113883.6.96
.... @displayName 0..1stRequired Pattern: Aid to vision
... value:physical-quantity 0..0
... value:coded 1..1CD
.... @code 0..1csBinding: Aid to Vision Codes (required)

doco Documentation for this format

Source

{
  "resourceType" : "StructureDefinition",
  "id" : "AidToVisionObservation",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation\">Observation</a><a name=\"Observation\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">ResultObservation</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-weight:bold\">XML Namespace: </span>urn:hl7-org:v3<br/>Elements defined in Ancestors: <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-ANY.html\" title=\"If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.\">@nullFlavor</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-InfrastructureRoot.html\" title=\"When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question\">realmCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-InfrastructureRoot.html\" title=\"When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.\">typeId</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-InfrastructureRoot.html\" title=\"When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question\">templateId</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">@classCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">@moodCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">@negationInd</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">id</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">code</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">derivationExpr</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">text</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">statusCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">effectiveTime</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">priorityCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">repeatNumber</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">languageCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">value</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">interpretationCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">methodCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\" title=\"Drawn from concept domain ActSite\">targetSiteCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">subject</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">specimen</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">performer</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">author</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">informant</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">participant</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">entryRelationship</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">reference</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">precondition</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">sdtcPrecondition2</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\" title=\"Relates an Observation to the ObservationRange class, where the expected range of values for a particular observation can be specified.\">referenceRange</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-Observation.html\">sdtcInFulfillmentOf1</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">templateId</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">templateId</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">classCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">moodCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">id</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">code</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">text</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">statusCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">effectiveTime</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">value</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">value</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">value</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">interpretationCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">methodCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">targetSiteCode</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">author</a>, <a href=\"https://build.fhir.org/ig/HL7/CDA-ccda//StructureDefinition-ResultObservation.html\">referenceRange</a><br/><span style=\"opacity: 0.5\">Base for all types and resources</span><br/><span style=\"font-weight:bold\">Instances of this type are validated by templateId</span><br/><span style=\"font-weight:bold\" title=\"The root class that contains instances of this class\">Logical Container: </span><a href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-ClinicalDocument.html\">ClinicalDocument (CDA Class)</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck11.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.code\">code</a><a name=\"Observation.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.code.code\">@code</a><a name=\"Observation.code.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-cs-simple.html\" title=\"code\">cs</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">257192006</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.code.codeSystem\">@codeSystem</a><a name=\"Observation.code.codeSystem\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-oid.html\" title=\"string\">oid</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-uuid.html\" title=\"string\">uuid</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-ruid.html\" title=\"string\">ruid</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">2.16.840.1.113883.6.96</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck100.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.code.displayName\">@displayName</a><a name=\"Observation.code.displayName\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-st-simple.html\" title=\"string\">st</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">Aid to vision</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck14.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <span style=\"text-decoration:line-through\" title=\"Slice physical-quantity\">value:physical-quantity</span><a name=\"Observation.value\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"text-decoration:line-through\"/><span style=\"text-decoration:line-through\">0</span><span style=\"text-decoration:line-through\">..</span><span style=\"text-decoration:line-through\">0</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck05.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.value:coded\" title=\"Slice coded\">value:coded</a><a name=\"Observation.value\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..<span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-CD.html\">CD</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck040.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-AidToVisionObservation-definitions.html#Observation.value:coded.code\">@code</a><a name=\"Observation.value.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"https://build.fhir.org/ig/HL7/CDA-core-sd//StructureDefinition-cs-simple.html\" title=\"code\">cs</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-AidToVisionCodes.html\" title=\"http://hl7.org/cda/us/eyecare/ValueSet/AidToVisionCodes\">Aid to Vision Codes</a> (<a href=\"http://hl7.org/fhir/R5/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-target",
      "_valueBoolean" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
            "valueCode" : "not-applicable"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
      "valueUri" : "urn:hl7-org:v3"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
      "valueString" : "observation"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/type-profile-style",
      "valueUri" : "cda"
    }
  ],
  "url" : "http://hl7.org/cda/us/eyecare/StructureDefinition/AidToVisionObservation",
  "version" : "0.1.0",
  "name" : "AidToVisionObservation",
  "status" : "draft",
  "date" : "2024-02-07T21:17:12+00:00",
  "publisher" : "Dogwood Health Consulting",
  "contact" : [
    {
      "name" : "Dogwood Health Consulting",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/ph/index.cfm"
        }
      ]
    }
  ],
  "description" : "A constraint on ResultObservation that is used to indicate the type of vision aids used in a Visual Acuity measurement.",
  "fhirVersion" : "5.0.0",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "logical",
  "abstract" : false,
  "type" : "http://hl7.org/cda/stds/core/StructureDefinition/Observation",
  "baseDefinition" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation",
  "derivation" : "constraint",
  "snapshot" : {
    "element" : [
      {
        "id" : "Observation",
        "path" : "Observation",
        "short" : "Base for all types and resources",
        "definition" : "Defines the basic properties of every data value. This is an abstract type, meaning that no value can be just a data value without belonging to any concrete type. Every concrete type is a specialization of this general abstract DataValue type.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Base",
          "min" : 0,
          "max" : "*"
        },
        "constraint" : [
          {
            "key" : "should-text-ref-value",
            "severity" : "warning",
            "human" : "SHOULD contain text/reference/@value",
            "expression" : "text.reference.value.exists()",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          },
          {
            "key" : "should-interpretationCode",
            "severity" : "warning",
            "human" : "SHOULD contain interpretationCode",
            "expression" : "interpretationCode.exists()",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          },
          {
            "key" : "should-author",
            "severity" : "warning",
            "human" : "SHOULD contain author",
            "expression" : "author.exists()",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          },
          {
            "key" : "should-referenceRange",
            "severity" : "warning",
            "human" : "SHOULD contain referenceRange",
            "expression" : "referenceRange.exists()",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          }
        ],
        "isModifier" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.nullFlavor",
        "path" : "Observation.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.realmCode",
        "path" : "Observation.realmCode",
        "definition" : "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.realmCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.typeId",
        "path" : "Observation.typeId",
        "definition" : "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "InfrastructureRoot.typeId",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.typeId.nullFlavor",
        "path" : "Observation.typeId.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.typeId.assigningAuthorityName",
        "path" : "Observation.typeId.assigningAuthorityName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Assigning Authority Name",
        "definition" : "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.assigningAuthorityName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.typeId.displayable",
        "path" : "Observation.typeId.displayable",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Displayable",
        "definition" : "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.displayable",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.typeId.root",
        "path" : "Observation.typeId.root",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Root",
        "definition" : "Identifies the type as an HL7 Registered model",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.root",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString" : "2.16.840.1.113883.1.3"
      },
      {
        "id" : "Observation.typeId.extension",
        "path" : "Observation.typeId.extension",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Extension",
        "definition" : "A character string as a unique identifier within the scope of the identifier root.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.extension",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.templateId",
        "path" : "Observation.templateId",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "root"
            },
            {
              "type" : "value",
              "path" : "extension"
            }
          ],
          "rules" : "open"
        },
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 1,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.templateId:result-obs",
        "path" : "Observation.templateId",
        "sliceName" : "result-obs",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "InfrastructureRoot.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.templateId:result-obs.nullFlavor",
        "path" : "Observation.templateId.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.templateId:result-obs.assigningAuthorityName",
        "path" : "Observation.templateId.assigningAuthorityName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Assigning Authority Name",
        "definition" : "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.assigningAuthorityName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.templateId:result-obs.displayable",
        "path" : "Observation.templateId.displayable",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Displayable",
        "definition" : "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.displayable",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.templateId:result-obs.root",
        "path" : "Observation.templateId.root",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Root",
        "definition" : "A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.root",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "patternString" : "2.16.840.1.113883.10.20.22.4.2"
      },
      {
        "id" : "Observation.templateId:result-obs.extension",
        "path" : "Observation.templateId.extension",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Extension",
        "definition" : "A character string as a unique identifier within the scope of the identifier root.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.extension",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ],
        "patternString" : "2023-05-01"
      },
      {
        "id" : "Observation.classCode",
        "path" : "Observation.classCode",
        "representation" : [
          "xmlAttr"
        ],
        "comment" : "SHALL contain exactly one [1..1] @classCode=\"OBS\" Observation (CodeSystem: HL7ActClass urn:oid:2.16.840.1.113883.5.6 STATIC) (CONF:4537-7130).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.classCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode" : "OBS",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActClassObservation|2.0.0"
        }
      },
      {
        "id" : "Observation.moodCode",
        "path" : "Observation.moodCode",
        "representation" : [
          "xmlAttr"
        ],
        "comment" : "SHALL contain exactly one [1..1] @moodCode=\"EVN\" Event (CodeSystem: HL7ActMood urn:oid:2.16.840.1.113883.5.1001 STATIC) (CONF:4537-7131).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.moodCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode" : "EVN",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-xActMoodDocumentObservation|2.0.0"
        }
      },
      {
        "id" : "Observation.negationInd",
        "path" : "Observation.negationInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.negationInd",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.id",
        "path" : "Observation.id",
        "comment" : "SHALL contain at least one [1..*] id (CONF:4537-7137).",
        "min" : 1,
        "max" : "*",
        "base" : {
          "path" : "Observation.id",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.code",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement",
            "valueBoolean" : true
          }
        ],
        "path" : "Observation.code",
        "representation" : [
          "typeAttr"
        ],
        "short" : "(USCDI) Tests",
        "comment" : "SHALL contain exactly one [1..1] code, which SHOULD be selected from CodeSystem LOINC (urn:oid:2.16.840.1.113883.6.1) (CONF:4537-7133).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.code",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ],
        "constraint" : [
          {
            "key" : "shall-code-or-nullflavor",
            "severity" : "error",
            "human" : "SHALL contain either a @code attribute or a @nullFlavor attribute, but not both.",
            "expression" : "(code | nullFlavor).count() = 1",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          },
          {
            "key" : "4537-19212",
            "severity" : "warning",
            "human" : "This code **SHOULD** be a code from the LOINC that identifies the result observation. If an appropriate LOINC code does not exist, then the local code for this result **SHALL** be sent (CONF:4537-19212).",
            "expression" : "codeSystem = '2.16.840.1.113883.6.1'",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationType"
        }
      },
      {
        "id" : "Observation.code.nullFlavor",
        "path" : "Observation.code.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "comment" : "Either code or nullFlavor MUST be present",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.code.code",
        "path" : "Observation.code.code",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code",
        "definition" : "The plain code symbol defined by the code system. For example, \"784.0\" is the code symbol of the ICD-9 code \"784.0\" for headache.",
        "comment" : "Either code or nullFlavor MUST be present",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.code",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "patternCode" : "257192006"
      },
      {
        "id" : "Observation.code.codeSystem",
        "path" : "Observation.code.codeSystem",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System",
        "definition" : "Specifies the code system that defines the code.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystem",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "patternString" : "2.16.840.1.113883.6.96"
      },
      {
        "id" : "Observation.code.codeSystemName",
        "path" : "Observation.code.codeSystemName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Name",
        "definition" : "The common name of the coding system.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystemName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.code.codeSystemVersion",
        "path" : "Observation.code.codeSystemVersion",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Version",
        "definition" : "If applicable, a version descriptor defined specifically for the given code system.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystemVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.code.displayName",
        "path" : "Observation.code.displayName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Display Name",
        "definition" : "A name or title for the code, under which the sending system shows the code value to its users.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.displayName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ],
        "patternString" : "Aid to vision"
      },
      {
        "id" : "Observation.code.sdtcValueSet",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSet"
          }
        ],
        "path" : "Observation.code.sdtcValueSet",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.valueSet",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid"
            ]
          }
        ]
      },
      {
        "id" : "Observation.code.sdtcValueSetVersion",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSetVersion"
          }
        ],
        "path" : "Observation.code.sdtcValueSetVersion",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.sdtcValueSetVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.code.originalText",
        "path" : "Observation.code.originalText",
        "label" : "Original Text",
        "definition" : "The text or phrase used as the basis for the coding.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.originalText",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.code.qualifier",
        "path" : "Observation.code.qualifier",
        "label" : "Qualifier",
        "definition" : "Specifies additional codes that increase the specificity of the the primary code.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "CD.qualifier",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CR"
          }
        ]
      },
      {
        "id" : "Observation.code.translation",
        "path" : "Observation.code.translation",
        "representation" : [
          "typeAttr"
        ],
        "label" : "Translation",
        "definition" : "A set of other concept descriptors that translate this concept descriptor into other code systems.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "CD.translation",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.derivationExpr",
        "path" : "Observation.derivationExpr",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.derivationExpr",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ST"
          }
        ]
      },
      {
        "id" : "Observation.text",
        "path" : "Observation.text",
        "representation" : [
          "typeAttr"
        ],
        "short" : "SHOULD reference the portion of section narrative text corresponding to this entry",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.text",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.text.nullFlavor",
        "path" : "Observation.text.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.text.compression",
        "path" : "Observation.text.compression",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Compression",
        "definition" : "Indicates whether the raw byte data is compressed, and what compression algorithm was used.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.compression",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDACompressionAlgorithm"
        }
      },
      {
        "id" : "Observation.text.integrityCheck",
        "path" : "Observation.text.integrityCheck",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Integrity Check",
        "definition" : "The integrity check is a short binary value representing a cryptographically strong checksum that is calculated over the binary data. The purpose of this property, when communicated with a reference is for anyone to validate later whether the reference still resolved to the same data that the reference resolved to when the encapsulated data value with reference was created.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.integrityCheck",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "base64Binary",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bin"
            ]
          }
        ]
      },
      {
        "id" : "Observation.text.integrityCheckAlgorithm",
        "path" : "Observation.text.integrityCheckAlgorithm",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Integrity Check Algorithm",
        "definition" : "Specifies the algorithm used to compute the integrityCheck value. The cryptographically strong checksum algorithm Secure Hash Algorithm-1 (SHA-1) is currently the industry standard. It has superseded the MD5 algorithm only a couple of years ago, when certain flaws in the security of MD5 were discovered. Currently the SHA-1 hash algorithm is the default choice for the integrity check algorithm. Note that SHA-256 is also entering widespread usage.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.integrityCheckAlgorithm",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-IntegrityCheckAlgorithm|2.0.0"
        }
      },
      {
        "id" : "Observation.text.language",
        "path" : "Observation.text.language",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Language",
        "definition" : "For character based information the language property specifies the human language of the text.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.language",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.text.mediaType",
        "path" : "Observation.text.mediaType",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Media Type",
        "definition" : "Identifies the type of the encapsulated data and identifies a method to interpret or render the data.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.mediaType",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-MediaType"
        }
      },
      {
        "id" : "Observation.text.representation",
        "path" : "Observation.text.representation",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.representation",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/BinaryDataEncoding"
        }
      },
      {
        "id" : "Observation.text.xmlText",
        "path" : "Observation.text.xmlText",
        "representation" : [
          "xmlText"
        ],
        "short" : "Allows for mixed text content. If @representation='B64', this SHALL be a base64binary string.",
        "definition" : "Data that is primarily intended for human interpretation or for further machine processing is outside the scope of HL7. This includes unformatted or formatted written language, multimedia data, or structured information as defined by a different standard (e.g., XML-signatures.)",
        "comment" : "This element is represented in XML as textual content. The actual name \"xmlText\" will not appear in a CDA instance.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.xmlText",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.text.reference",
        "path" : "Observation.text.reference",
        "label" : "Reference",
        "definition" : "A telecommunication address (TEL), such as a URL for HTTP or FTP, which will resolve to precisely the same binary data that could as well have been provided as inline data.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.reference",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TEL"
          }
        ],
        "constraint" : [
          {
            "key" : "value-starts-octothorpe",
            "severity" : "error",
            "human" : "If reference/@value is present, it SHALL begin with a '#' and SHALL point to its corresponding narrative",
            "expression" : "value.exists() implies value.startsWith('#')",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          }
        ]
      },
      {
        "id" : "Observation.text.thumbnail",
        "path" : "Observation.text.thumbnail",
        "label" : "Thumbnail",
        "definition" : "An abbreviated rendition of the full data. A thumbnail requires significantly fewer resources than the full data, while still maintaining some distinctive similarity with the full data. A thumbnail is typically used with by-reference encapsulated data. It allows a user to select data more efficiently before actually downloading through the reference.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ED.thumbnail",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.statusCode",
        "path" : "Observation.statusCode",
        "comment" : "SHALL contain exactly one [1..1] statusCode (CONF:4537-7134).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.statusCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActStatus"
        }
      },
      {
        "id" : "Observation.statusCode.nullFlavor",
        "path" : "Observation.statusCode.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.statusCode.code",
        "path" : "Observation.statusCode.code",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code",
        "definition" : "The plain code symbol defined by the code system. For example, \"784.0\" is the code symbol of the ICD-9 code \"784.0\" for headache.",
        "comment" : "This statusCode SHALL contain exactly one [1..1] @code, which SHALL be selected from ValueSet Result Status urn:oid:2.16.840.1.113883.11.20.9.39 STATIC (CONF:4537-14849).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "CD.code",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.39"
        }
      },
      {
        "id" : "Observation.statusCode.codeSystem",
        "path" : "Observation.statusCode.codeSystem",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System",
        "definition" : "Specifies the code system that defines the code.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.codeSystem",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.codeSystemName",
        "path" : "Observation.statusCode.codeSystemName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Name",
        "definition" : "The common name of the coding system.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.codeSystemName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.codeSystemVersion",
        "path" : "Observation.statusCode.codeSystemVersion",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Version",
        "definition" : "If applicable, a version descriptor defined specifically for the given code system.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.codeSystemVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.displayName",
        "path" : "Observation.statusCode.displayName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Display Name",
        "definition" : "A name or title for the code, under which the sending system shows the code value to its users.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.displayName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.sdtcValueSet",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSet"
          }
        ],
        "path" : "Observation.statusCode.sdtcValueSet",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.valueSet",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.sdtcValueSetVersion",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSetVersion"
          }
        ],
        "path" : "Observation.statusCode.sdtcValueSetVersion",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.sdtcValueSetVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.statusCode.originalText",
        "path" : "Observation.statusCode.originalText",
        "label" : "Original Text",
        "definition" : "The text or phrase used as the basis for the coding.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.originalText",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.statusCode.qualifier",
        "path" : "Observation.statusCode.qualifier",
        "label" : "Qualifier",
        "definition" : "Specifies additional codes that increase the specificity of the the primary code.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.qualifier",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CR"
          }
        ]
      },
      {
        "id" : "Observation.statusCode.translation",
        "path" : "Observation.statusCode.translation",
        "representation" : [
          "typeAttr"
        ],
        "label" : "Translation",
        "definition" : "A set of other concept descriptors that translate this concept descriptor into other code systems.",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "CD.translation",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.effectiveTime",
        "path" : "Observation.effectiveTime",
        "short" : "Represents the clinically relevant time of the measurement (e.g., the time a blood pressure reading is obtained, the time the blood sample was obtained for a chemistry test).",
        "comment" : "SHALL contain exactly one [1..1] effectiveTime (CONF:4537-7140).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.effectiveTime",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS"
          }
        ]
      },
      {
        "id" : "Observation.priorityCode",
        "path" : "Observation.priorityCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.priorityCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActPriority"
        }
      },
      {
        "id" : "Observation.repeatNumber",
        "path" : "Observation.repeatNumber",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.repeatNumber",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-INT"
          }
        ]
      },
      {
        "id" : "Observation.languageCode",
        "path" : "Observation.languageCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.languageCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/fhir/ValueSet/all-languages"
        }
      },
      {
        "id" : "Observation.value",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement",
            "valueBoolean" : true
          }
        ],
        "path" : "Observation.value",
        "representation" : [
          "typeAttr"
        ],
        "slicing" : {
          "discriminator" : [
            {
              "type" : "type",
              "path" : "$this"
            }
          ],
          "rules" : "open"
        },
        "short" : "(USCDI) Values/Results - Value can be any type, but certain types have additional rules.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.value",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ANY"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/BL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ST"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CV"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CO"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/SC"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TEL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/AD"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/EN"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/INT"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/REAL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/MO"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-PQ"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PIVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/EIVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/SXPR-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/RTO-PQ-PQ"
          }
        ]
      },
      {
        "id" : "Observation.value:physical-quantity",
        "path" : "Observation.value",
        "representation" : [
          "typeAttr"
        ],
        "sliceName" : "physical-quantity",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "Observation.value",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          }
        ]
      },
      {
        "id" : "Observation.value:physical-quantity.nullFlavor",
        "path" : "Observation.value.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.value:physical-quantity.unit",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement",
            "valueBoolean" : true
          }
        ],
        "path" : "Observation.value.unit",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Unit of Measure",
        "short" : "(USCDI) Result Unit of Measure",
        "definition" : "The unit of measure specified in the Unified Code for Units of Measure (UCUM) [].",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "PQ.unit",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode" : "1",
        "binding" : {
          "strength" : "preferred",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-UnitsOfMeasureCaseSensitive"
        }
      },
      {
        "id" : "Observation.value:physical-quantity.value",
        "path" : "Observation.value.value",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Maginitude Value",
        "definition" : "The magnitude of the quantity measured in terms of the unit.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "PQ.value",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "decimal",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/real-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:physical-quantity.translation",
        "path" : "Observation.value.translation",
        "label" : "Translation",
        "short" : "Can be used to represent the original results as output by the lab",
        "definition" : "An alternative representation of the same physical quantity expressed in a different unit, of a different unit code system and possibly with a different value.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "PQ.translation",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQR"
          }
        ]
      },
      {
        "id" : "Observation.value:coded",
        "path" : "Observation.value",
        "representation" : [
          "typeAttr"
        ],
        "sliceName" : "coded",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.value",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ],
        "constraint" : [
          {
            "key" : "4537-32610",
            "severity" : "warning",
            "human" : "If Observation/value is a CD (**xsi:type=\"CD\"**) the value **SHOULD** be SNOMED-CT or LOINC (CONF:4537-32610).",
            "expression" : "codeSystem = '2.16.840.1.113883.6.96' or codeSystem = '2.16.840.1.113883.6.1'",
            "source" : "http://hl7.org/cda/us/ccda/StructureDefinition/ResultObservation"
          }
        ]
      },
      {
        "id" : "Observation.value:coded.nullFlavor",
        "path" : "Observation.value.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.value:coded.code",
        "path" : "Observation.value.code",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code",
        "definition" : "The plain code symbol defined by the code system. For example, \"784.0\" is the code symbol of the ICD-9 code \"784.0\" for headache.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.code",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/us/eyecare/ValueSet/AidToVisionCodes"
        }
      },
      {
        "id" : "Observation.value:coded.codeSystem",
        "path" : "Observation.value.codeSystem",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System",
        "definition" : "Specifies the code system that defines the code.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystem",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.codeSystemName",
        "path" : "Observation.value.codeSystemName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Name",
        "definition" : "The common name of the coding system.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystemName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.codeSystemVersion",
        "path" : "Observation.value.codeSystemVersion",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Code System Version",
        "definition" : "If applicable, a version descriptor defined specifically for the given code system.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.codeSystemVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.displayName",
        "path" : "Observation.value.displayName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Display Name",
        "definition" : "A name or title for the code, under which the sending system shows the code value to its users.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.displayName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.sdtcValueSet",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSet"
          }
        ],
        "path" : "Observation.value.sdtcValueSet",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.valueSet",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.sdtcValueSetVersion",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "valueSetVersion"
          }
        ],
        "path" : "Observation.value.sdtcValueSetVersion",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.sdtcValueSetVersion",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.value:coded.originalText",
        "path" : "Observation.value.originalText",
        "label" : "Original Text",
        "definition" : "The text or phrase used as the basis for the coding.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.originalText",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.value:coded.qualifier",
        "path" : "Observation.value.qualifier",
        "label" : "Qualifier",
        "definition" : "Specifies additional codes that increase the specificity of the the primary code.",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "CD.qualifier",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CR"
          }
        ]
      },
      {
        "id" : "Observation.value:coded.translation",
        "path" : "Observation.value.translation",
        "representation" : [
          "typeAttr"
        ],
        "label" : "Translation",
        "short" : "Can be used to represent the original results as output by the lab",
        "definition" : "A set of other concept descriptors that translate this concept descriptor into other code systems.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "CD.translation",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.interpretationCode",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement",
            "valueBoolean" : true
          }
        ],
        "path" : "Observation.interpretationCode",
        "short" : "(USCDI) Result Interpretation",
        "comment" : "SHOULD contain zero or more [0..*] interpretationCode, which SHALL be selected from ValueSet Observation Interpretation (HL7) urn:oid:2.16.840.1.113883.1.11.78 DYNAMIC (CONF:4537-7147).",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.interpretationCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationInterpretation"
        }
      },
      {
        "id" : "Observation.methodCode",
        "path" : "Observation.methodCode",
        "comment" : "MAY contain zero or one [0..1] methodCode (CONF:4537-7148).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.methodCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationMethod"
        }
      },
      {
        "id" : "Observation.targetSiteCode",
        "path" : "Observation.targetSiteCode",
        "definition" : "Drawn from concept domain ActSite",
        "comment" : "MAY contain zero or one [0..1] targetSiteCode (CONF:4537-7153).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.targetSiteCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.subject",
        "path" : "Observation.subject",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Subject"
          }
        ]
      },
      {
        "id" : "Observation.specimen",
        "path" : "Observation.specimen",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.specimen",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Specimen"
          }
        ]
      },
      {
        "id" : "Observation.performer",
        "path" : "Observation.performer",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.performer",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Performer2"
          }
        ]
      },
      {
        "id" : "Observation.author",
        "path" : "Observation.author",
        "short" : "Base for all types and resources",
        "definition" : "Defines the basic properties of every data value. This is an abstract type, meaning that no value can be just a data value without belonging to any concrete type. Every concrete type is a specialization of this general abstract DataValue type.",
        "comment" : "SHOULD contain zero or more [0..*] Author Participation (identifier: urn:oid:2.16.840.1.113883.10.20.22.4.119) (CONF:4537-7149).",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.author",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Author",
            "profile" : [
              "http://hl7.org/cda/us/ccda/StructureDefinition/AuthorParticipation"
            ]
          }
        ],
        "isModifier" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.informant",
        "path" : "Observation.informant",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.informant",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Informant"
          }
        ]
      },
      {
        "id" : "Observation.participant",
        "path" : "Observation.participant",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.participant",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Participant2"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship",
        "path" : "Observation.entryRelationship",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.entryRelationship",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/EntryRelationship"
          }
        ]
      },
      {
        "id" : "Observation.reference",
        "path" : "Observation.reference",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.reference",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Reference"
          }
        ]
      },
      {
        "id" : "Observation.precondition",
        "path" : "Observation.precondition",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.precondition",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Precondition"
          }
        ]
      },
      {
        "id" : "Observation.sdtcPrecondition2",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "precondition2"
          }
        ],
        "path" : "Observation.sdtcPrecondition2",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.sdtcPrecondition2",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Precondition2"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement",
            "valueBoolean" : true
          }
        ],
        "path" : "Observation.referenceRange",
        "short" : "(USCDI) Result Reference Range",
        "definition" : "Relates an Observation to the ObservationRange class, where the expected range of values for a particular observation can be specified.",
        "comment" : "SHOULD contain zero or more [0..*] referenceRange (CONF:4537-7150).",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.referenceRange",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.nullFlavor",
        "path" : "Observation.referenceRange.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.realmCode",
        "path" : "Observation.referenceRange.realmCode",
        "definition" : "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.realmCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeId",
        "path" : "Observation.referenceRange.typeId",
        "definition" : "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "InfrastructureRoot.typeId",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeId.nullFlavor",
        "path" : "Observation.referenceRange.typeId.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.typeId.assigningAuthorityName",
        "path" : "Observation.referenceRange.typeId.assigningAuthorityName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Assigning Authority Name",
        "definition" : "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.assigningAuthorityName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeId.displayable",
        "path" : "Observation.referenceRange.typeId.displayable",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Displayable",
        "definition" : "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.displayable",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeId.root",
        "path" : "Observation.referenceRange.typeId.root",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Root",
        "definition" : "Identifies the type as an HL7 Registered model",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.root",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString" : "2.16.840.1.113883.1.3"
      },
      {
        "id" : "Observation.referenceRange.typeId.extension",
        "path" : "Observation.referenceRange.typeId.extension",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Extension",
        "definition" : "A character string as a unique identifier within the scope of the identifier root.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.extension",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.templateId",
        "path" : "Observation.referenceRange.templateId",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeCode",
        "path" : "Observation.referenceRange.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.referenceRange.typeCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode" : "REFV",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActRelationshipType|2.0.0"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange",
        "path" : "Observation.referenceRange.observationRange",
        "comment" : "The referenceRange, if present, SHALL contain exactly one [1..1] observationRange (CONF:4537-7151).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.referenceRange.observationRange",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ObservationRange"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.nullFlavor",
        "path" : "Observation.referenceRange.observationRange.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.realmCode",
        "path" : "Observation.referenceRange.observationRange.realmCode",
        "definition" : "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.realmCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId",
        "path" : "Observation.referenceRange.observationRange.typeId",
        "definition" : "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "InfrastructureRoot.typeId",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId.nullFlavor",
        "path" : "Observation.referenceRange.observationRange.typeId.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId.assigningAuthorityName",
        "path" : "Observation.referenceRange.observationRange.typeId.assigningAuthorityName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Assigning Authority Name",
        "definition" : "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.assigningAuthorityName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId.displayable",
        "path" : "Observation.referenceRange.observationRange.typeId.displayable",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Displayable",
        "definition" : "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.displayable",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId.root",
        "path" : "Observation.referenceRange.observationRange.typeId.root",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Root",
        "definition" : "Identifies the type as an HL7 Registered model",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.root",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString" : "2.16.840.1.113883.1.3"
      },
      {
        "id" : "Observation.referenceRange.observationRange.typeId.extension",
        "path" : "Observation.referenceRange.observationRange.typeId.extension",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Extension",
        "definition" : "A character string as a unique identifier within the scope of the identifier root.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.extension",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.templateId",
        "path" : "Observation.referenceRange.observationRange.templateId",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.classCode",
        "path" : "Observation.referenceRange.observationRange.classCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.classCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode" : "OBS",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActClassObservation"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.moodCode",
        "path" : "Observation.referenceRange.observationRange.moodCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.moodCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode" : "EVN.CRT",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActMoodPredicate"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.code",
        "path" : "Observation.referenceRange.observationRange.code",
        "comment" : "This observationRange SHALL NOT contain [0..0] code (CONF:4537-7152).",
        "min" : 0,
        "max" : "0",
        "base" : {
          "path" : "ObservationRange.code",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ],
        "binding" : {
          "strength" : "example",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActCode"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.text",
        "path" : "Observation.referenceRange.observationRange.text",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.text",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.value",
        "path" : "Observation.referenceRange.observationRange.value",
        "representation" : [
          "typeAttr"
        ],
        "comment" : "This observationRange SHALL contain exactly one [1..1] value (CONF:4537-32175).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.value",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/BL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/ST"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CV"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CO"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/SC"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TEL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/AD"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/EN"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/INT"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/REAL"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/MO"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-PQ"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PIVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/EIVL-TS"
          },
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/SXPR-TS"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.interpretationCode",
        "path" : "Observation.referenceRange.observationRange.interpretationCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.interpretationCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationInterpretation"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "precondition1"
          }
        ],
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1",
        "definition" : "The sdtc:precondition1 extension allows for the association of a criterion with a reference range (ObservationRange), which allows the expression in a lab report that a reference range is conditional on some criterion such as patient sex or age (or a combination of criterion).",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "ObservationRange.sdtcPrecondition1",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.nullFlavor",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.realmCode",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.realmCode",
        "definition" : "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.realmCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId",
        "definition" : "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "InfrastructureRoot.typeId",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.nullFlavor",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.nullFlavor",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Exceptional Value Detail",
        "definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ANY.nullFlavor",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.assigningAuthorityName",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.assigningAuthorityName",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Assigning Authority Name",
        "definition" : "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.assigningAuthorityName",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.displayable",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.displayable",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Displayable",
        "definition" : "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "II.displayable",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.root",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.root",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Root",
        "definition" : "Identifies the type as an HL7 Registered model",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.root",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString" : "2.16.840.1.113883.1.3"
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.extension",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeId.extension",
        "representation" : [
          "xmlAttr"
        ],
        "label" : "Extension",
        "definition" : "A character string as a unique identifier within the scope of the identifier root.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "II.extension",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "string",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.templateId",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.templateId",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "InfrastructureRoot.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeCode",
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.sdtcPrecondition1.typeCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode" : "PRCN",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActRelationshipType"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.conjunctionCode",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          }
        ],
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.conjunctionCode",
        "definition" : "A code specifying the logical conjunction of the criteria among all the condition-links of Acts (e.g., and, or, exclusive-or).\nAll AND criteria must be true.\nIf OR and AND criteria occur together, one criterion out of the OR-group must be true and all AND criteria must be true also.\nIf XOR criteria occur together with OR and AND criteria, exactly one of the XOR criteria must be true, and at least one of the OR criteria and all AND criteria must be true.\nIn other words, the sets of AND, OR, and XOR criteria are in turn combined by a logical AND operator (all AND criteria and at least one OR criterion and exactly one XOR criterion).",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.sdtcPrecondition1.conjunctionCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-RelationshipConjunction|2.0.0"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange.sdtcPrecondition1.criterion1",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          }
        ],
        "path" : "Observation.referenceRange.observationRange.sdtcPrecondition1.criterion1",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "ObservationRange.sdtcPrecondition1.criterion1",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/Criterion"
          }
        ]
      },
      {
        "id" : "Observation.sdtcInFulfillmentOf1",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri" : "urn:hl7-org:sdtc"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString" : "inFulfillmentOf1"
          }
        ],
        "path" : "Observation.sdtcInFulfillmentOf1",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.sdtcInFulfillmentOf1",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/InFulfillmentOf1"
          }
        ]
      }
    ]
  },
  "differential" : {
    "element" : [
      {
        "id" : "Observation",
        "path" : "Observation"
      },
      {
        "id" : "Observation.code.code",
        "path" : "Observation.code.code",
        "patternCode" : "257192006"
      },
      {
        "id" : "Observation.code.codeSystem",
        "path" : "Observation.code.codeSystem",
        "patternString" : "2.16.840.1.113883.6.96"
      },
      {
        "id" : "Observation.code.displayName",
        "path" : "Observation.code.displayName",
        "patternString" : "Aid to vision"
      },
      {
        "id" : "Observation.value:physical-quantity",
        "path" : "Observation.value",
        "sliceName" : "physical-quantity",
        "max" : "0"
      },
      {
        "id" : "Observation.value:coded",
        "path" : "Observation.value",
        "sliceName" : "coded",
        "min" : 1
      },
      {
        "id" : "Observation.value:coded.code",
        "path" : "Observation.value.code",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/us/eyecare/ValueSet/AidToVisionCodes"
        }
      }
    ]
  }
}

XIG built as of ??metadata-date??. Found ??metadata-resources?? resources in ??metadata-packages?? packages.