description: This cross-version extension represents ConceptMap.group.element.valueSet from http://hl7.org/fhir/StructureDefinition/ConceptMap|5.0.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver-r5.r4 derivation: constraint name: ext_R5_ConceptMap_gr_el_valueSet type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Identifies the set of concepts being mapped choices: [valueCanonical] index: 1 valueCanonical: base: {path: 'Extension.value[x]'} type: canonical short: Identifies the set of concepts being mapped choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.group.element.valueSet'} index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-ConceptMap.group.element.valueSet base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]