FHIR © HL7.org  |  Server Home  |  XIG Home  |  Server Source  |  FHIR  

FHIR IG Statistics: ConceptMap/segment-obx-component-to-observation

Packagehl7.fhir.uv.v2mappings
TypeConceptMap
Idsegment-obx-component-to-observation
FHIR VersionR4
Sourcehttp://hl7.org/fhir/uv/v2mappings/https://build.fhir.org/ig/HL7/v2-to-fhir/ConceptMap-segment-obx-component-to-observation.html
URLhttp://hl7.org/fhir/uv/v2mappings/ConceptMap/segment-obx-component-to-observation
Version1.0.0
Statusactive
Date2025-07-22
NameSegmentOBXComponentToObservation
TitleSegment OBX [Component] to Observation Map
Realmuv
Authorityhl7
DescriptionThis ConceptMap represents a mapping from the HL7 V2 Segment OBX to the FHIR Observation Resource.
CopyrightCopyright (c) 2025, HL7 International, Inc., All Rights Reserved.

Resources that use this resource

No resources found


Resources that this resource uses

No resources found


Narrative

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

Generated Narrative: ConceptMap segment-obx-component-to-observation

Mapping from (not specified) to (not specified)


Group 1 Mapping from unspecified code system to unspecified code system

Source Concept DetailsRelationshipTarget Concept DetailsComment
Codes from NarrativeConditionComputableANTLRCodes from
OBX-3Observation Identifieris equivalent tocodecode
OBX-3Observation Identifieris equivalent tocomponent[each].codecomponent[each].code
OBX-4Observation Sub-IDMap to Observation.partOf or Observation.hasMember or Observation.DerivedFrom according to the implementation guidance for the v2 message at hand, otherwise map to the extension-sub-id to enable the final destination to determine how to structure the observations.is equivalent to$this$thisOBX-4 Sub Identifier would determine how to use Observation.partOf or Observation.hasMember or Observation.DerivedFrom, but is highly dependent on the local implementation of OBX-4 or an implementation guide (e.g., LRI, Clinical Genomics). That is not known at the standard level, so we cannot provide specific mapping guidance here. However, if the mapper does not have access to the syntax used and its meaning, we need to be able to pass on OBX-4 Sub Identifier to the final destination that should know how to then structure it using FHIR attributes.
OBX-5Observation ValueIF OBX-2 EQUALS "NM"is equivalent tocomponent[each].valueQuantitycomponent[each].valueQuantity
OBX-5Observation ValueAny markup in ST, FT or TX data may not present properly given that valueString is a string data typeIF OBX-2 IN ("ST", "FT", "TX")is equivalent tocomponent[each].valueStringcomponent[each].valueString
OBX-5Observation ValueIF OBX-2 EQUALS "CF"is equivalent tocomponent[each].valueCodeableConceptcomponent[each].valueCodeableConcept
OBX-5Observation ValueIF OBX-2 EQUALS "CNE"is equivalent tocomponent[each].valueCodeableConceptcomponent[each].valueCodeableConcept
OBX-5Observation ValueIF OBX-2 EQUALS "CE"is equivalent tocomponent[each].valueCodeableConceptcomponent[each].valueCodeableConcept
OBX-5Observation ValueIF OBX-2 EQUALS "CWE"is equivalent tocomponent[each].valueCodeableConceptcomponent[each].valueCodeableConcept
OBX-5Observation ValueIF OBX-2 EQUALS "IS"is equivalent tocomponent[each].valueCodeableConceptcomponent[each].valueCodeableConcept
OBX-5Observation ValueIF OBX-2 EQUALS "DR"is equivalent tocomponent[each].valuePeriodcomponent[each].valuePeriod
OBX-5Observation ValueIF OBX-2 IN ("DTM", "DT")is equivalent tocomponent[each].valueDateTimecomponent[each].valueDateTime
OBX-5Observation ValueIF OBX-2 EQUALS "NR"is equivalent tocomponent[each].valueRangecomponent[each].valueRange
OBX-5Observation ValueIF OBX-2 EQUALS "VR"is equivalent tocomponent[each].valueStringcomponent[each].valueString
OBX-5Observation ValueIF OBX-2 EQUALS "TM"is equivalent tocomponent[each].valueTimecomponent[each].valueTime
OBX-5Observation ValueIF (OBX-2 EQUALS "SN" AND OBX-5.1 EQUALS "<>"is equivalent tocomponent[each].valueStringcomponent[each].valueString
OBX-5Observation ValueIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 IN (":", "/")is equivalent tocomponent[each].valueRatio[1]component[each].valueRatio[1]
OBX-5Observation ValueIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 EQUALS "-"is equivalent tocomponent[each].valueRange[1]component[each].valueRange[1]
OBX-5Observation ValueIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 EQUALS "+"is equivalent tocomponent[each].valueStringcomponent[each].valueString
OBX-5Observation ValueIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 NOT IN (":", "/", "-", "+")is equivalent tocomponent[each].valueQuantity[1]component[each].valueQuantity[1]
OBX-5Observation ValueIf line 19 through 23 all fail while OBX-2 = SNis equivalent tocomponent[each].valueStringcomponent[each].valueString
OBX-5Observation ValueIf none of the other observations in OBX-5 are not derived from the documentation includedIF OBX-2 EQUALS "ED" AND IF OBX-5.4 EQUALS "Base64"is equivalent tocomponent[each].extension[1].urlcomponent[each].extension[1].urlSome implementers may include in OBX-5 the documentation that the other OBX-5 components are derived from. In that situations
OBX-5Observation ValueIf none of the other observations in OBX-5 are not derived from the documentation includedIF OBX-2 EQUALS "ED" AND IF OBX-5.4 EQUALS "Base64"is equivalent tocomponent[each].extension[1].valueAttachmentcomponent[each].extension[1].valueAttachmentWe are for now addressing Base64 that cover .pdf, pictures and other binaries. If somebody does this, we will address those.
OBX-5Observation ValueAnd if other observation in OBX-5 are derived from the documentation includedIF OBX-2 EQUALS "ED" AND IF OBX-5.4 EQUALS "Base64"is equivalent toderivedFrom(DocumentReference)derivedFrom(DocumentReference)
OBX-5Observation ValueIf none of the other observations in OBX-5 are not derived from the documentation referencedIF OBX-2 EQUALS "RP"is equivalent tocomponent[each].extension[1].urlcomponent[each].extension[1].url
OBX-5Observation ValueIf none of the other observations in OBX-5 are not derived from the documentation referencedIF OBX-2 EQUALS "RP"is equivalent tocomponent[each].extension[1].valueAttachmentcomponent[each].extension[1].valueAttachmentTo be resolved when we resolve DocumentReference and valueAttachment
OBX-5Observation ValueAnd if other observation in OBX-5 are derived from the documentation being referencedIF OBX-2 EQUALS "RP"is equivalent toderivedFrom(DocumentReference)derivedFrom(DocumentReference)
OBX-6UnitsIF OBX-2 IN ("NA", "NM")is equivalent tocomponent[each].valueQuantitycomponent[each].valueQuantity
OBX-6UnitsIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 NOT IN (":", "/", "-", "+")is equivalent tocomponent[each].valueQuantity[1]component[each].valueQuantity[1]Note that OBX-5 and OBX-6 resolve to different components for the same Quantity data type.
OBX-6UnitsIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 EQUALS "-"is equivalent tocomponent[each].valueRange[1].lowcomponent[each].valueRange[1].low
OBX-6UnitsIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 EQUALS "-"is equivalent tocomponent[each].valueRange[1].highcomponent[each].valueRange[1].high
OBX-6UnitsIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 IN (":", "/")is equivalent tocomponent[each].valueRatio[1].numeratorcomponent[each].valueRatio[1].numerator
OBX-6UnitsIF OBX-2 EQUALS "SN" AND OBX-5.1 NOT EQUALS "<>" AND OBX-5.3 IN (":", "/")is equivalent tocomponent[each].valueRatio[1].denominatorcomponent[each].valueRatio[1].denominator
OBX-7References Rangeis equivalent tocomponent[each].referenceRange.textcomponent[each].referenceRange.textIf OBX-7 is sufficiently parseable, then the low, high, type, appliesTo, and/or age may be used.
OBX-8Interpretation Codesis equivalent tointerpretationinterpretation
OBX-10Nature of Abnormal Testis equivalent toextension[2].uriextension[2].uri
OBX-10Nature of Abnormal Testis equivalent toextension[2].valueCodeableConceptextension[2].valueCodeableConcept
OBX-11Observation Result Statusis equivalent tostatusstatus
OBX-11Observation Result StatusIF OBX-11 IS "X"is equivalent tostatus.extension[1].urlstatus.extension[1].url
OBX-11Observation Result StatusIF OBX-11 IS "X"is equivalent tostatus.extension[1].valueCodeableConcept.coding.codestatus.extension[1].valueCodeableConcept.coding.code
OBX-11Observation Result StatusIF OBX-11 IS "X"is equivalent tostatus.extension[1].valueCodeableConcept.coding.systemstatus.extension[1].valueCodeableConcept.coding.system
OBX-11Observation Result StatusIF OBX-11 IS "N"is equivalent todataAbsentReason.coding[2].codedataAbsentReason.coding[2].code
OBX-11Observation Result StatusIF OBX-11 IS "N"is equivalent todataAbsentReason.coding[2].systemdataAbsentReason.coding[2].system
OBX-14Date/Time of the Observationis equivalent toeffectiveDateTimeeffectiveDateTime
OBX-16Responsible Observeris equivalent toperformer[1](PractitionerRole.practitioner(Practitioner))performer[1](PractitionerRole.practitioner(Practitioner))
OBX-16Responsible Observeris equivalent toperformer[1](PractitionerRole.code.coding.code)performer[1](PractitionerRole.code.coding.code)
OBX-16Responsible Observeris equivalent toperformer[1](PractitionerRole.code.coding.system)performer[1](PractitionerRole.code.coding.system)
OBX-17Observation Methodis equivalent tomethodmethodThe cardinality of Observation.method is 0..1 while the source allows for multiple methods. As we are not aware of anybody populating multiples in HL7 v2, we did not provide further mapping guidance. If you need to support multiples, please submit a gForge to OO for the HL7 v2 to FHIR mapping Implementation Guide.
OBX-18Equipment Instance Identifieris equivalent todevice(Device.identifier)device(Device.identifier)
OBX-19Date/Time of the Analysisis equivalent toextension[1].urlextension[1].url"http://hl7.org/fhir/StructureDefinition/observation-analysis-date-time"
OBX-19Date/Time of the Analysisis equivalent toextension[1].valueDateTimeextension[1].valueDateTime
OBX-20Observation Siteis equivalent tobodySitebodySiteThe cardinality of Observation.bodySite is 0..1 while the source allows for multiple body sites. As we are not aware of anybody populating multiples in HL7 v2, we did not provide further mapping guidance. If you need to support multiples, please submit a gForge to OO for the HL7 v2 to FHIR mapping Implementation Guide.
OBX-21Observation Instance Identifieris equivalent toidentifieridentifier
OBX-21Observation Instance Identifieris equivalent toidentifier.type.coding.codeidentifier.type.coding.code
OBX-23Performing Organization Nameis equivalent toperformer[2](Organization)performer[2](Organization)
OBX-23Performing Organization NameIF OBX-25 VALUEDis equivalent toperformer[2](PractitionerRole.organization(Organization))performer[2](PractitionerRole.organization(Organization))
OBX-24Performing Organization Addressis equivalent toperformer[2](Organization.address)performer[2](Organization.address)
OBX-24Performing Organization AddressIF OBX-25 VALUEDis equivalent toperformer[2](PractitionerRole.organization(Organization.address))performer[2](PractitionerRole.organization(Organization.address))
OBX-25Performing Organization Medical Directoris equivalent toperformer[2](PractitionerRole)performer[2](PractitionerRole)
OBX-25Performing Organization Medical Directoris equivalent toperformer[2](PractitionerRole.code.coding.value)performer[2](PractitionerRole.code.coding.value)
OBX-25Performing Organization Medical Directoris equivalent toperformer[2](PractitionerRole.code.coding.system)performer[2](PractitionerRole.code.coding.system)
OBX-29Observation Typeis equivalent tocategory[1].coding.codecategory[1].coding.code
OBX-29Observation Typeis equivalent tocategory[1].coding.systemcategory[1].coding.system
OBX-30Observation Sub-Typeis equivalent toextension[2].urlextension[2].url
OBX-30Observation Sub-Typeis equivalent toextension[2].valueCodeableConcept.coding.codeextension[2].valueCodeableConcept.coding.code
OBX-30Observation Sub-Typeis equivalent toextension[2].valueCodeableConcept.coding.systemextension[2].valueCodeableConcept.coding.system
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT>1is equivalent toextension[1].uriextension[1].uriNote that in v2 messages the observations that a calculated observation is derived from on and involve multiple specimens are typically not included with the message. To enable relating the calculated observation to the correct specimens it relates to, the v2 message should include the originating observations that in turn use OBX-33 to link to the correct specimens. Without that, and if there are multiple specimens in OBX-33, there is no standard method to correctly associate the observation with the correct specimens. The implementer will have to devise an appropriate method for that in their context.
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT>1is equivalent toextension[1].valueReference(Group.member.entity(Specimen.identifier[1])extension[1].valueReference(Group.member.entity(Specimen.identifier[1])
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT>1is equivalent toextension[2].uriextension[2].uri
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT>1is equivalent toextension[2].valueReference(Group.member.entity(Specimen.identifier[2]))extension[2].valueReference(Group.member.entity(Specimen.identifier[2]))
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT=1is equivalent tospecimen(Specimen.identifier[1])specimen(Specimen.identifier[1])
OBX-33Observation Related Specimen IdentifierIF OBX-33 COUNT=1is equivalent tospecimen(Specimen.identifier[2])specimen(Specimen.identifier[2])

Source

{
  "resourceType": "ConceptMap",
  "id": "segment-obx-component-to-observation",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "extension": [
        {
          "url": "type",
          "valueCode": "derived-from"
        },
        {
          "url": "label",
          "valueString": "Segment OBX[Component] to Observation.fsh"
        },
        {
          "url": "url",
          "valueUri": "https://docs.google.com/spreadsheets/d/1otkCEXuRkQy7kJ--_4WycdG2yQSM7eSfT9t8AUtylck/edit#gid=0"
        }
      ],
      "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/RelatedArtifact"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "informative",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/v2mappings/ImplementationGuide/hl7.fhir.uv.v2mappings"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/v2mappings/ConceptMap/segment-obx-component-to-observation",
  "version": "1.0.0",
  "name": "SegmentOBXComponentToObservation",
  "title": "Segment OBX [Component] to Observation Map",
  "status": "active",
  "experimental": true,
  "date": "2025-07-22",
  "publisher": "HL7 International / Orders and Observations",
  "contact": [
    {
      "name": "HL7 Orders and Observations Workgroup",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders"
        }
      ]
    }
  ],
  "description": "This ConceptMap represents a mapping from the HL7 V2 Segment OBX to the FHIR Observation Resource.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "copyright": "Copyright (c) 2025, HL7 International, Inc., All Rights Reserved.",
  "group": [
    {
      "element": [
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-3",
          "display": "Observation Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "code",
              "display": "code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-3",
          "display": "Observation Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].code",
              "display": "component[each].code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ST"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-4",
          "display": "Observation Sub-ID",
          "target": [
            {
              "code": "$this",
              "display": "$this",
              "equivalence": "equivalent",
              "comment": "OBX-4 Sub Identifier would determine how to use Observation.partOf or Observation.hasMember or Observation.DerivedFrom, but is highly dependent on the local implementation of OBX-4 or an implementation guide (e.g., LRI, Clinical Genomics).  That is not known at the standard level, so we cannot provide specific mapping guidance here.  However, if the mapper does not have access to the syntax used and its meaning, we need to be able to pass on OBX-4 Sub Identifier to the final destination that should know how to then structure it using FHIR attributes.",
              "dependsOn": [
                {
                  "property": "Narrative-Condition",
                  "value": "Map to Observation.partOf or Observation.hasMember or Observation.DerivedFrom according to the implementation guidance for the v2 message at hand, otherwise map to the extension-sub-id to enable the final destination to determine how to structure the observations."
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "quantity"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueQuantity",
              "display": "component[each].valueQuantity",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"NM\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueString",
              "display": "component[each].valueString",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 IN (\"ST\", \"FT\", \"TX\")"
                },
                {
                  "property": "Narrative-Condition",
                  "value": "Any markup in ST, FT or TX data may not present properly given that valueString is a string data type"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueCodeableConcept",
              "display": "component[each].valueCodeableConcept",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"CF\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueCodeableConcept",
              "display": "component[each].valueCodeableConcept",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"CNE\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueCodeableConcept",
              "display": "component[each].valueCodeableConcept",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"CE\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueCodeableConcept",
              "display": "component[each].valueCodeableConcept",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"CWE\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueCodeableConcept",
              "display": "component[each].valueCodeableConcept",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"IS\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Period"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valuePeriod",
              "display": "component[each].valuePeriod",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"DR\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "dateTime"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueDateTime",
              "display": "component[each].valueDateTime",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 IN (\"DTM\", \"DT\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Range"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRange",
              "display": "component[each].valueRange",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"NR\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "OBX-5.1+\"-\"+OBX-5.2"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueString",
              "display": "component[each].valueString",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"VR\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "time"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueTime",
              "display": "component[each].valueTime",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"TM\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "OBX-5.1+\" \"+OBX-5.2+\" \"+OBX-5.3+\" \"+OBX-5.4\" \"OBX-6\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueString",
              "display": "component[each].valueString",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF (OBX-2 EQUALS \"SN\"  AND OBX-5.1  EQUALS \"<>\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Ratio"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRatio[1]",
              "display": "component[each].valueRatio[1]",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 IN (\":\", \"/\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Range"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRange[1]",
              "display": "component[each].valueRange[1]",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 EQUALS \"-\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "OBX-5.1+\" \"+OBX-5.2+\" \"+OBX-5.3+\" \"+OBX-5.4\" \"OBX-6\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueString",
              "display": "component[each].valueString",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 EQUALS \"+\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Quantity"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueQuantity[1]",
              "display": "component[each].valueQuantity[1]",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 NOT IN (\":\", \"/\", \"-\", \"+\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "OBX-5.1+\" \"+OBX-5.2+\" \"+OBX-5.3+\" \"+OBX-5.4\" \"OBX-6\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueString",
              "display": "component[each].valueString",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Narrative-Condition",
                  "value": "If line 19 through 23 all fail while OBX-2 = SN"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"https://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.valueAttachment\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].extension[1].url",
              "display": "component[each].extension[1].url",
              "equivalence": "equivalent",
              "comment": "Some implementers may include in OBX-5 the documentation that the other OBX-5 components are derived from.  In that situations",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"ED\" AND IF OBX-5.4 EQUALS \"Base64\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "If none of the other observations in OBX-5 are not derived from the documentation included"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Attachment"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].extension[1].valueAttachment",
              "display": "component[each].extension[1].valueAttachment",
              "equivalence": "equivalent",
              "comment": "We are for now addressing Base64 that cover .pdf, pictures and other binaries.  If somebody does this, we will address those.",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"ED\" AND IF OBX-5.4 EQUALS \"Base64\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "If none of the other observations in OBX-5 are not derived from the documentation included"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "derivedFrom(DocumentReference)",
              "display": "derivedFrom(DocumentReference)",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"ED\" AND IF OBX-5.4 EQUALS \"Base64\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "And if other observation in OBX-5 are derived from the documentation included"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"https://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.valueAttachment\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].extension[1].url",
              "display": "component[each].extension[1].url",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"RP\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "If none of the other observations in OBX-5 are not derived from the documentation referenced"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Attachment"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].extension[1].valueAttachment",
              "display": "component[each].extension[1].valueAttachment",
              "equivalence": "equivalent",
              "comment": "To be resolved when we resolve DocumentReference and valueAttachment",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"RP\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "If none of the other observations in OBX-5 are not derived from the documentation referenced"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "varies"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-5",
          "display": "Observation Value",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "derivedFrom(DocumentReference)",
              "display": "derivedFrom(DocumentReference)",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"RP\""
                },
                {
                  "property": "Narrative-Condition",
                  "value": "And if other observation in OBX-5 are derived from the documentation being referenced"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Quantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueQuantity",
              "display": "component[each].valueQuantity",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 IN (\"NA\", \"NM\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Quantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueQuantity[1]",
              "display": "component[each].valueQuantity[1]",
              "equivalence": "equivalent",
              "comment": "Note that OBX-5 and OBX-6 resolve to different components for the same Quantity data type.",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 NOT IN (\":\", \"/\", \"-\", \"+\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "SimpleQuantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRange[1].low",
              "display": "component[each].valueRange[1].low",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 EQUALS \"-\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "SimpleQuantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRange[1].high",
              "display": "component[each].valueRange[1].high",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 EQUALS \"-\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Quantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRatio[1].numerator",
              "display": "component[each].valueRatio[1].numerator",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 IN (\":\", \"/\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-6",
          "display": "Units",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Quantity"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "component[each].valueRatio[1].denominator",
              "display": "component[each].valueRatio[1].denominator",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-2 EQUALS \"SN\" AND OBX-5.1  NOT EQUALS \"<>\" AND OBX-5.3 IN (\":\", \"/\")"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ST"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-7",
          "display": "References Range",
          "target": [
            {
              "code": "component[each].referenceRange.text",
              "display": "component[each].referenceRange.text",
              "equivalence": "equivalent",
              "comment": "If OBX-7 is sufficiently parseable, then the low, high, type, appliesTo, and/or age may be used."
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-8",
          "display": "Interpretation Codes",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70078-to-v3-observationinterpretation"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "interpretation",
              "display": "interpretation",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-10",
          "display": "Nature of Abnormal Test",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/StructureDefinition/observation-nature-of-abnormal-test\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].uri",
              "display": "extension[2].uri",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-10",
          "display": "Nature of Abnormal Test",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70080-to-v2-0080"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].valueCodeableConcept",
              "display": "extension[2].valueCodeableConcept",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "code"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 1
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "mappedVia",
                      "valueUrl": "ConceptMap/table-hl70085-to-observation-status"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "status",
              "display": "status",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/StructureDefinition/alternate-codes\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "status.extension[1].url",
              "display": "status.extension[1].url",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-11 IS \"X\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"X\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "status.extension[1].valueCodeableConcept.coding.code",
              "display": "status.extension[1].valueCodeableConcept.coding.code",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-11 IS \"X\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/v2-0085\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "status.extension[1].valueCodeableConcept.coding.system",
              "display": "status.extension[1].valueCodeableConcept.coding.system",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-11 IS \"X\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "\"not-asked\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "dataAbsentReason.coding[2].code",
              "display": "dataAbsentReason.coding[2].code",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-11 IS \"N\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-11",
          "display": "Observation Result Status",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/data-absent-reason\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "dataAbsentReason.coding[2].system",
              "display": "dataAbsentReason.coding[2].system",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-11 IS \"N\""
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "DTM"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-14",
          "display": "Date/Time of the Observation",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "dateTime"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "effectiveDateTime",
              "display": "effectiveDateTime",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-16",
          "display": "Responsible Observer",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(PractitionerRole)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[1](PractitionerRole.practitioner(Practitioner))",
              "display": "performer[1](PractitionerRole.practitioner(Practitioner))",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-16",
          "display": "Responsible Observer",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"responsibleObserver\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[1](PractitionerRole.code.coding.code)",
              "display": "performer[1](PractitionerRole.code.coding.code)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-16",
          "display": "Responsible Observer",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/practitioner-role\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[1](PractitionerRole.code.coding.system)",
              "display": "performer[1](PractitionerRole.code.coding.system)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-17",
          "display": "Observation Method",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "method",
              "display": "method",
              "equivalence": "equivalent",
              "comment": "The cardinality of Observation.method is 0..1 while the source allows for multiple methods.  As we are not aware of anybody populating multiples in HL7 v2, we did not provide further mapping guidance.  If you need to support multiples, please submit a gForge to OO for the HL7 v2 to FHIR mapping Implementation Guide."
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-18",
          "display": "Equipment Instance Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "device(Device.identifier)",
              "display": "device(Device.identifier)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "DTM"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-19",
          "display": "Date/Time of the Analysis",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[1].url",
              "display": "extension[1].url",
              "equivalence": "equivalent",
              "comment": "\"http://hl7.org/fhir/StructureDefinition/observation-analysis-date-time\""
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "DTM"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-19",
          "display": "Date/Time of the Analysis",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "dateTime"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[1].valueDateTime",
              "display": "extension[1].valueDateTime",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "CWE"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-20",
          "display": "Observation Site",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "CodeableConcept"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "bodySite",
              "display": "bodySite",
              "equivalence": "equivalent",
              "comment": "The cardinality of Observation.bodySite is 0..1 while the source allows for multiple body sites.  As we are not aware of anybody populating multiples in HL7 v2, we did not provide further mapping guidance.  If you need to support multiples, please submit a gForge to OO for the HL7 v2 to FHIR mapping Implementation Guide."
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-21",
          "display": "Observation Instance Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "identifier",
              "display": "identifier",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EI"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-21",
          "display": "Observation Instance Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "code"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"FILL\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "identifier.type.coding.code",
              "display": "identifier.type.coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XON"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-23",
          "display": "Performing Organization Name",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(Organization)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](Organization)",
              "display": "performer[2](Organization)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XON"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-23",
          "display": "Performing Organization Name",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(Organization)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](PractitionerRole.organization(Organization))",
              "display": "performer[2](PractitionerRole.organization(Organization))",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-25 VALUED"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XAD"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-24",
          "display": "Performing Organization Address",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Address"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](Organization.address)",
              "display": "performer[2](Organization.address)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XAD"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-24",
          "display": "Performing Organization Address",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Address"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](PractitionerRole.organization(Organization.address))",
              "display": "performer[2](PractitionerRole.organization(Organization.address))",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-25 VALUED"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-25",
          "display": "Performing Organization Medical Director",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference(PractitionerRole)"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](PractitionerRole)",
              "display": "performer[2](PractitionerRole)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-25",
          "display": "Performing Organization Medical Director",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "string"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"MDIR\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](PractitionerRole.code.coding.value)",
              "display": "performer[2](PractitionerRole.code.coding.value)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "XCN"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-25",
          "display": "Performing Organization Medical Director",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://terminology.hl7.org/CodeSystem/v2-0912\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "performer[2](PractitionerRole.code.coding.system)",
              "display": "performer[2](PractitionerRole.code.coding.system)",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-29",
          "display": "Observation Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "code"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "category[1].coding.code",
              "display": "category[1].coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-29",
          "display": "Observation Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": -1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "category[1].coding.system",
              "display": "category[1].coding.system",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-30",
          "display": "Observation Sub-Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/StructureDefinition/observation-structure-type\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].url",
              "display": "extension[2].url",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-30",
          "display": "Observation Sub-Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "code"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].valueCodeableConcept.coding.code",
              "display": "extension[2].valueCodeableConcept.coding.code",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "ID"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": 1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": 1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-30",
          "display": "Observation Sub-Type",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "uri"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/StructureDefinition/observation-structure-type\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].valueCodeableConcept.coding.system",
              "display": "extension[2].valueCodeableConcept.coding.system",
              "equivalence": "equivalent"
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Reference"
                    },
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.specimen\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[1].uri",
              "display": "extension[1].uri",
              "equivalence": "equivalent",
              "comment": "Note that in v2 messages the observations that a calculated observation is derived from on and involve multiple specimens are typically not included with the message. To enable relating the calculated observation to the correct specimens it relates to, the v2 message should include the originating observations that in turn use OBX-33 to link to the correct specimens.  Without that, and if there are multiple specimens in OBX-33, there is no standard method to correctly associate the observation with the correct specimens.  The implementer will have to devise an appropriate method for that in their context.",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT>1"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[1].valueReference(Group.member.entity(Specimen.identifier[1])",
              "display": "extension[1].valueReference(Group.member.entity(Specimen.identifier[1])",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT>1"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    },
                    {
                      "url": "assignment",
                      "valueString": "\"http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.specimen\""
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].uri",
              "display": "extension[2].uri",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT>1"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "cardinalityMin",
                      "valueInteger": 0
                    },
                    {
                      "url": "cardinalityMax",
                      "valueInteger": 1
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "extension[2].valueReference(Group.member.entity(Specimen.identifier[2]))",
              "display": "extension[2].valueReference(Group.member.entity(Specimen.identifier[2]))",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT>1"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "specimen(Specimen.identifier[1])",
              "display": "specimen(Specimen.identifier[1])",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT=1"
                }
              ]
            }
          ]
        },
        {
          "extension": [
            {
              "extension": [
                {
                  "url": "type",
                  "valueCode": "EIP"
                },
                {
                  "url": "cardinalityMin",
                  "valueInteger": -1
                },
                {
                  "url": "cardinalityMax",
                  "valueInteger": -1
                }
              ],
              "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
            }
          ],
          "code": "OBX-33",
          "display": "Observation Related Specimen Identifier",
          "target": [
            {
              "extension": [
                {
                  "extension": [
                    {
                      "url": "type",
                      "valueCode": "Identifier"
                    }
                  ],
                  "url": "http://hl7.org/fhir/uv/v2mappings/StructureDefinition/TypeInfo"
                }
              ],
              "code": "specimen(Specimen.identifier[2])",
              "display": "specimen(Specimen.identifier[2])",
              "equivalence": "equivalent",
              "dependsOn": [
                {
                  "property": "Computable-ANTLR",
                  "value": "IF OBX-33 COUNT=1"
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}