description: This cross-version extension represents ConceptMap.target[x] from http://hl7.org/fhir/StructureDefinition/ConceptMap|3.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R3_ConceptMap_target type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ConceptMap.target'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Provides context to the mappings choices: [valueUri, valueReference] index: 2 valueUri: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: uri short: Provides context to the mappings choiceOf: value index: 3 valueReference: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: Reference short: Provides context to the mappings choiceOf: value index: 4 package_version: r3.r5-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ConceptMap.target base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url]