FHIR Server FHIR Server Version n/a

Name	Flags	Card.	Type	Description & Constraints
IVL_TS	C	1..*	SXCM_TS	XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, @value, @operator Base for all types and resources Logical Container: ADHA ClinicalDocument (CDA Class) ivl-ts-center: Center cannot co-exist with low or high
low		0..1	IVXB_TS
center		0..1	TS
width		0..1	PQ
high		0..1	IVXB_TS
Documentation for this format

Source

{
  "resourceType" : "StructureDefinition",
  "id" : "IVL-TS",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition IVL-TS</b></p><a name=\"IVL-TS\"> </a><a name=\"hcIVL-TS\"> </a><a name=\"IVL-TS-en-AU\"> </a><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 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-IVL-TS-definitions.html#IVL_TS\">IVL_TS</a><a name=\"IVL_TS\"> </a></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=\"padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;\" href=\"http://hl7.org/fhir/R5/conformance-rules.html#constraints\" title=\"This element has or is affected by constraints ( ivl-ts-center )\">C</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</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=\"StructureDefinition-SXCM-TS.html\">SXCM_TS</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=\"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=\"StructureDefinition-TS.html\" title=\"A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.\">@value</a>, <a href=\"StructureDefinition-SXCM-TS.html\" title=\"A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.\">@operator</a><br/><span style=\"opacity: 0.5\">Base for all types and resources</span><br/><span style=\"font-weight:bold\" title=\"The root class that contains instances of this class\">Logical Container: </span><a href=\"StructureDefinition-au-ClinicalDocument.html\">ADHA ClinicalDocument (CDA Class)</a><br/><span style=\"font-weight:bold\">ivl-ts-center: </span>Center cannot co-exist with low or high<br/></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_bck10.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_resource.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IVL-TS-definitions.html#IVL_TS.low\" title=\"This is the low limit of the interval.\">low</a><a name=\"IVL_TS.low\"> </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\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-IVXB-TS.html\">IVXB_TS</a></td><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_bck10.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_resource.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IVL-TS-definitions.html#IVL_TS.center\" title=\"The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.\">center</a><a name=\"IVL_TS.center\"> </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\">0..1</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=\"StructureDefinition-TS.html\">TS</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_bck10.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_resource.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IVL-TS-definitions.html#IVL_TS.width\" title=\"The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.\">width</a><a name=\"IVL_TS.width\"> </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\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-PQ.html\">PQ</a></td><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_bck00.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_resource.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-IVL-TS-definitions.html#IVL_TS.high\" title=\"This is the high limit of the interval.\">high</a><a name=\"IVL_TS.high\"> </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\">0..1</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=\"StructureDefinition-IVXB-TS.html\">IVXB_TS</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><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/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    }
  ],
  "url" : "http://hl7.org/cda/stds/core/StructureDefinition/IVL-TS",
  "version" : "0.1.0",
  "name" : "IVL_TS",
  "title" : "IVL_TS: Interval (V3 Data Type)",
  "status" : "active",
  "experimental" : false,
  "date" : "2024-10-13T23:51:04+00:00",
  "publisher" : "HL7",
  "description" : "A set of consecutive values of an ordered base data type.",
  "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/IVL_TS",
  "baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/SXCM-TS",
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [
      {
        "id" : "IVL_TS",
        "path" : "IVL_TS",
        "short" : "Base for all types and resources",
        "definition" : "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.",
        "min" : 1,
        "max" : "*",
        "base" : {
          "path" : "Base",
          "min" : 0,
          "max" : "*"
        },
        "constraint" : [
          {
            "key" : "ivl-ts-center",
            "severity" : "error",
            "human" : "Center cannot co-exist with low or high",
            "expression" : "center.empty() or (low.empty() and high.empty())"
          }
        ],
        "isModifier" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "IVL_TS.nullFlavor",
        "path" : "IVL_TS.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" : "IVL_TS.value",
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-format",
            "valueString" : "YYYYMMDDHHMMSS.UUUU[+|-ZZzz]"
          },
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-rules",
            "valueString" : "year-valid"
          }
        ],
        "path" : "IVL_TS.value",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "A quantity specifying a point on the axis of natural time. A point in time is most often represented as a calendar expression.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "TS.value",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "dateTime",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/ts-simple"
            ]
          }
        ]
      },
      {
        "id" : "IVL_TS.operator",
        "path" : "IVL_TS.operator",
        "representation" : [
          "xmlAttr"
        ],
        "definition" : "A code specifying whether the set component is included (union) or excluded (set-difference) from the set, or other set operations with the current set component and the set as constructed from the representation stream up to the current point.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "SXCM_TS.operator",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code",
            "profile" : [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode" : "I",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDASetOperator"
        }
      },
      {
        "id" : "IVL_TS.low",
        "path" : "IVL_TS.low",
        "label" : "Low Boundary",
        "definition" : "This is the low limit of the interval.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "IVL_TS.low",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.center",
        "path" : "IVL_TS.center",
        "label" : "Central Value",
        "definition" : "The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "IVL_TS.center",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.width",
        "path" : "IVL_TS.width",
        "label" : "Width",
        "definition" : "The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "IVL_TS.width",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          }
        ]
      },
      {
        "id" : "IVL_TS.high",
        "path" : "IVL_TS.high",
        "label" : "High Boundary",
        "definition" : "This is the high limit of the interval.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "IVL_TS.high",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      }
    ]
  },
  "differential" : {
    "element" : [
      {
        "id" : "IVL_TS",
        "path" : "IVL_TS",
        "min" : 1,
        "max" : "*",
        "constraint" : [
          {
            "key" : "ivl-ts-center",
            "severity" : "error",
            "human" : "Center cannot co-exist with low or high",
            "expression" : "center.empty() or (low.empty() and high.empty())"
          }
        ]
      },
      {
        "id" : "IVL_TS.low",
        "path" : "IVL_TS.low",
        "label" : "Low Boundary",
        "definition" : "This is the low limit of the interval.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.center",
        "path" : "IVL_TS.center",
        "label" : "Central Value",
        "definition" : "The arithmetic mean of the interval (low plus high divided by 2). The purpose of distinguishing the center as a semantic property is for conversions of intervals from and to point values.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/TS"
          }
        ]
      },
      {
        "id" : "IVL_TS.width",
        "path" : "IVL_TS.width",
        "label" : "Width",
        "definition" : "The difference between high and low boundary. The purpose of distinguishing a width property is to handle all cases of incomplete information symmetrically. In any interval representation only two of the three properties high, low, and width need to be stated and the third can be derived.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/PQ"
          }
        ]
      },
      {
        "id" : "IVL_TS.high",
        "path" : "IVL_TS.high",
        "label" : "High Boundary",
        "definition" : "This is the high limit of the interval.",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/cda/stds/core/StructureDefinition/IVXB-TS"
          }
        ]
      }
    ]
  }
}

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