{
  "description": "Cross Version Extensions for using FHIR R4 in FHIR R4B",
  "_filename": "ImplementationGuide-hl7.fhir.uv.xver-r4.r4b.json",
  "package_name": "hl7.fhir.uv.xver",
  "definition": {
    "resource": [ {
      "name": "ext_R4_DataRequirement_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-DataRequirement.type"
      },
      "description": "This cross-version extension represents DataRequirement.type from http://hl7.org/fhir/StructureDefinition/DataRequirement|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ElementDefinition_defaultValue",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ElementDefinition.defaultValue"
      },
      "description": "This cross-version extension represents ElementDefinition.defaultValue[x] from http://hl7.org/fhir/StructureDefinition/ElementDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ElementDefinition_fixed",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ElementDefinition.fixed"
      },
      "description": "This cross-version extension represents ElementDefinition.fixed[x] from http://hl7.org/fhir/StructureDefinition/ElementDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ElementDefinition_pattern",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ElementDefinition.pattern"
      },
      "description": "This cross-version extension represents ElementDefinition.pattern[x] from http://hl7.org/fhir/StructureDefinition/ElementDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ElementDefinition_ex_value",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ElementDefinition.ex.value"
      },
      "description": "This cross-version extension represents ElementDefinition.example.value[x] from http://hl7.org/fhir/StructureDefinition/ElementDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Extension_value",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Extension.value"
      },
      "description": "This cross-version extension represents Extension.value[x] from http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ParameterDefinition_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ParameterDefinition.type"
      },
      "description": "This cross-version extension represents ParameterDefinition.type from http://hl7.org/fhir/StructureDefinition/ParameterDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceAmount",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceAmount"
      },
      "description": "This cross-version extension represents SubstanceAmount from http://hl7.org/fhir/StructureDefinition/SubstanceAmount|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ActivityDefinition_product",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ActivityDefinition.product"
      },
      "description": "This cross-version extension represents ActivityDefinition.product[x] from http://hl7.org/fhir/StructureDefinition/ActivityDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_CapabilityStatement_re_re_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-CapabilityStatement.re.re.type"
      },
      "description": "This cross-version extension represents CapabilityStatement.rest.resource.type from http://hl7.org/fhir/StructureDefinition/CapabilityStatement|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_CD_re_code",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-CD.re.code"
      },
      "description": "This cross-version extension represents CompartmentDefinition.resource.code from http://hl7.org/fhir/StructureDefinition/CompartmentDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_DiagnosticReport_subject",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-DiagnosticReport.subject"
      },
      "description": "This cross-version extension represents DiagnosticReport.subject from http://hl7.org/fhir/StructureDefinition/DiagnosticReport|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EffectEvidenceSynthesis",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EffectEvidenceSynthesis"
      },
      "description": "This cross-version extension represents EffectEvidenceSynthesis from http://hl7.org/fhir/StructureDefinition/EffectEvidenceSynthesis|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_name",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.name"
      },
      "description": "This cross-version extension represents Evidence.name from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_shortTitle",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.shortTitle"
      },
      "description": "This cross-version extension represents Evidence.shortTitle from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_subtitle",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.subtitle"
      },
      "description": "This cross-version extension represents Evidence.subtitle from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_jurisdiction",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.jurisdiction"
      },
      "description": "This cross-version extension represents Evidence.jurisdiction from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_copyright",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.copyright"
      },
      "description": "This cross-version extension represents Evidence.copyright from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_effectivePeriod",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.effectivePeriod"
      },
      "description": "This cross-version extension represents Evidence.effectivePeriod from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_topic",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.topic"
      },
      "description": "This cross-version extension represents Evidence.topic from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_exposureBackground",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.exposureBackground"
      },
      "description": "This cross-version extension represents Evidence.exposureBackground from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_exposureVariant",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.exposureVariant"
      },
      "description": "This cross-version extension represents Evidence.exposureVariant from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Evidence_outcome",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Evidence.outcome"
      },
      "description": "This cross-version extension represents Evidence.outcome from http://hl7.org/fhir/StructureDefinition/Evidence|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_jurisdiction",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.jurisdiction"
      },
      "description": "This cross-version extension represents EvidenceVariable.jurisdiction from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_copyright",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.copyright"
      },
      "description": "This cross-version extension represents EvidenceVariable.copyright from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_approvalDate",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.approvalDate"
      },
      "description": "This cross-version extension represents EvidenceVariable.approvalDate from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_lastReviewDate",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.lastReviewDate"
      },
      "description": "This cross-version extension represents EvidenceVariable.lastReviewDate from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_effectivePeriod",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.effectivePeriod"
      },
      "description": "This cross-version extension represents EvidenceVariable.effectivePeriod from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_topic",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.topic"
      },
      "description": "This cross-version extension represents EvidenceVariable.topic from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.type"
      },
      "description": "This cross-version extension represents EvidenceVariable.type from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_ch_definition",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.ch.definition"
      },
      "description": "This cross-version extension represents EvidenceVariable.characteristic.definition[x] from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_ch_usageContext",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.ch.usageContext"
      },
      "description": "This cross-version extension represents EvidenceVariable.characteristic.usageContext from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_ch_participantEffective",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.ch.participantEffective"
      },
      "description": "This cross-version extension represents EvidenceVariable.characteristic.participantEffective[x] from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_EvidenceVariable_ch_timeFromStart",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-EvidenceVariable.ch.timeFromStart"
      },
      "description": "This cross-version extension represents EvidenceVariable.characteristic.timeFromStart from http://hl7.org/fhir/StructureDefinition/EvidenceVariable|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ExampleScenario_in_resourceType",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ExampleScenario.in.resourceType"
      },
      "description": "This cross-version extension represents ExampleScenario.instance.resourceType from http://hl7.org/fhir/StructureDefinition/ExampleScenario|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_GraphDefinition_start",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-GraphDefinition.start"
      },
      "description": "This cross-version extension represents GraphDefinition.start from http://hl7.org/fhir/StructureDefinition/GraphDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_GraphDefinition_li_ta_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-GraphDefinition.li.ta.type"
      },
      "description": "This cross-version extension represents GraphDefinition.link.target.type from http://hl7.org/fhir/StructureDefinition/GraphDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Group_me_entity",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Group.me.entity"
      },
      "description": "This cross-version extension represents Group.member.entity from http://hl7.org/fhir/StructureDefinition/Group|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_ImplementationGuide_gl_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-ImplementationGuide.gl.type"
      },
      "description": "This cross-version extension represents ImplementationGuide.global.type from http://hl7.org/fhir/StructureDefinition/ImplementationGuide|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProduct",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProduct"
      },
      "description": "This cross-version extension represents MedicinalProduct from http://hl7.org/fhir/StructureDefinition/MedicinalProduct|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductAuthorization",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductAuthorization"
      },
      "description": "This cross-version extension represents MedicinalProductAuthorization from http://hl7.org/fhir/StructureDefinition/MedicinalProductAuthorization|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductContraindication",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductContraindication"
      },
      "description": "This cross-version extension represents MedicinalProductContraindication from http://hl7.org/fhir/StructureDefinition/MedicinalProductContraindication|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductIndication",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductIndication"
      },
      "description": "This cross-version extension represents MedicinalProductIndication from http://hl7.org/fhir/StructureDefinition/MedicinalProductIndication|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductIngredient",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductIngredient"
      },
      "description": "This cross-version extension represents MedicinalProductIngredient from http://hl7.org/fhir/StructureDefinition/MedicinalProductIngredient|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductInteraction",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductInteraction"
      },
      "description": "This cross-version extension represents MedicinalProductInteraction from http://hl7.org/fhir/StructureDefinition/MedicinalProductInteraction|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductManufactured",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductManufactured"
      },
      "description": "This cross-version extension represents MedicinalProductManufactured from http://hl7.org/fhir/StructureDefinition/MedicinalProductManufactured|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductPackaged",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductPackaged"
      },
      "description": "This cross-version extension represents MedicinalProductPackaged from http://hl7.org/fhir/StructureDefinition/MedicinalProductPackaged|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductPharmaceutical",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductPharmaceutical"
      },
      "description": "This cross-version extension represents MedicinalProductPharmaceutical from http://hl7.org/fhir/StructureDefinition/MedicinalProductPharmaceutical|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MedicinalProductUndesirableEffect",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MedicinalProductUndesirableEffect"
      },
      "description": "This cross-version extension represents MedicinalProductUndesirableEffect from http://hl7.org/fhir/StructureDefinition/MedicinalProductUndesirableEffect|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_MessageDefinition_fo_code",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-MessageDefinition.fo.code"
      },
      "description": "This cross-version extension represents MessageDefinition.focus.code from http://hl7.org/fhir/StructureDefinition/MessageDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Observation_subject",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Observation.subject"
      },
      "description": "This cross-version extension represents Observation.subject from http://hl7.org/fhir/StructureDefinition/Observation|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_OperationDefinition_resource",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-OperationDefinition.resource"
      },
      "description": "This cross-version extension represents OperationDefinition.resource from http://hl7.org/fhir/StructureDefinition/OperationDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_OperationDefinition_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-OperationDefinition.type"
      },
      "description": "This cross-version extension represents OperationDefinition.type from http://hl7.org/fhir/StructureDefinition/OperationDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_OperationDefinition_pa_type",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-OperationDefinition.pa.type"
      },
      "description": "This cross-version extension represents OperationDefinition.parameter.type from http://hl7.org/fhir/StructureDefinition/OperationDefinition|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_Questionnaire_subjectType",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-Questionnaire.subjectType"
      },
      "description": "This cross-version extension represents Questionnaire.subjectType from http://hl7.org/fhir/StructureDefinition/Questionnaire|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_RiskEvidenceSynthesis",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-RiskEvidenceSynthesis"
      },
      "description": "This cross-version extension represents RiskEvidenceSynthesis from http://hl7.org/fhir/StructureDefinition/RiskEvidenceSynthesis|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SearchParameter_base",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SearchParameter.base"
      },
      "description": "This cross-version extension represents SearchParameter.base from http://hl7.org/fhir/StructureDefinition/SearchParameter|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SearchParameter_target",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SearchParameter.target"
      },
      "description": "This cross-version extension represents SearchParameter.target from http://hl7.org/fhir/StructureDefinition/SearchParameter|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceNucleicAcid",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceNucleicAcid"
      },
      "description": "This cross-version extension represents SubstanceNucleicAcid from http://hl7.org/fhir/StructureDefinition/SubstanceNucleicAcid|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstancePolymer",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
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      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstancePolymer"
      },
      "description": "This cross-version extension represents SubstancePolymer from http://hl7.org/fhir/StructureDefinition/SubstancePolymer|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceProtein",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceProtein"
      },
      "description": "This cross-version extension represents SubstanceProtein from http://hl7.org/fhir/StructureDefinition/SubstanceProtein|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceReferenceInformation",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceReferenceInformation"
      },
      "description": "This cross-version extension represents SubstanceReferenceInformation from http://hl7.org/fhir/StructureDefinition/SubstanceReferenceInformation|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceSourceMaterial",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceSourceMaterial"
      },
      "description": "This cross-version extension represents SubstanceSourceMaterial from http://hl7.org/fhir/StructureDefinition/SubstanceSourceMaterial|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_SubstanceSpecification",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-SubstanceSpecification"
      },
      "description": "This cross-version extension represents SubstanceSpecification from http://hl7.org/fhir/StructureDefinition/SubstanceSpecification|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_TestScript_se_ac_op_resource",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-TestScript.se.ac.op.resource"
      },
      "description": "This cross-version extension represents TestScript.setup.action.operation.resource from http://hl7.org/fhir/StructureDefinition/TestScript|4.0.1 for use in FHIR R4B."
    }, {
      "name": "ext_R4_TestScript_se_ac_as_resource",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "StructureDefinition:extension"
      } ],
      "reference": {
        "reference": "StructureDefinition/ext-R4-TestScript.se.ac.as.resource"
      },
      "description": "This cross-version extension represents TestScript.setup.action.assert.resource from http://hl7.org/fhir/StructureDefinition/TestScript|4.0.1 for use in FHIR R4B."
    }, {
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        "valueString": "ValueSet"
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        "reference": "ValueSet/R4-all-types-for-R4B"
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      "description": "This cross-version ValueSet represents concepts from http://hl7.org/fhir/ValueSet/all-types|4.0.1 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R4 to R4B."
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      "reference": {
        "reference": "ValueSet/R4-defined-types-for-R4B"
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      "description": "This cross-version ValueSet represents concepts from http://hl7.org/fhir/ValueSet/defined-types|4.0.1 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R4 to R4B."
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      "reference": {
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      },
      "description": "This cross-version ValueSet represents concepts from http://hl7.org/fhir/ValueSet/exposure-state|4.0.1 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R4 to R4B."
    }, {
      "name": "R4-resource-types-for-R4B",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
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      "reference": {
        "reference": "ValueSet/R4-resource-types-for-R4B"
      },
      "description": "This cross-version ValueSet represents concepts from http://hl7.org/fhir/ValueSet/resource-types|4.0.1 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R4 to R4B."
    }, {
      "name": "R4-v3-ConfidentialityClassification-for-R4B",
      "extension": [ {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/resource-information",
        "valueString": "ValueSet"
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      "reference": {
        "reference": "ValueSet/R4-v3-ConfidentialityClassification-for-R4B"
      },
      "description": "This cross-version ValueSet represents concepts from http://terminology.hl7.org/ValueSet/v3-ConfidentialityClassification|2014-03-26 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R4 to R4B."
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  },
  "date": "2025-05-19T00:00:00+00:00",
  "publisher": "HL7 International / FHIR Infrastructure",
  "fhirVersion": [ "4.3.0" ],
  "license": "CC0-1.0",
  "jurisdiction": [ {
    "coding": [ {
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      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
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    "id": "hl7tx",
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    "version": "6.3.0",
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      "valueMarkdown": "Automatically added as a dependency - all IGs depend on HL7 Terminology"
    } ],
    "packageId": "hl7.terminology.r4b"
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    "uri": "http://hl7.org/fhir/extensions/ImplementationGuide/hl7.fhir.uv.extensions",
    "version": "5.2.0",
    "packageId": "hl7.fhir.uv.extensions.r4b"
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    "uri": "http://hl7.org/fhir/tools/ImplementationGuide/hl7.fhir.uv.tools",
    "version": "current",
    "packageId": "hl7.fhir.uv.tools.r4b"
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  "name": "XVer_r4_r4b",
  "type": null,
  "experimental": null,
  "resourceType": "ImplementationGuide",
  "title": "XVer-R4-R4B",
  "package_version": "r4.r4b-0.0.1-snapshot-1",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use"
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    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
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  "status": "active",
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  "kind": null,
  "url": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b",
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  "packageId": "hl7.fhir.uv.xver-r4.r4b",
  "contact": [ {
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    "telecom": [ {
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      "system": "url"
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}