description: 'DSTU2: `ConceptMap.element.target.dependsOn.codeSystem` (new:uri)' package_name: hl7.fhir.uv.xver-r2.r5 derivation: constraint name: ExtensionConceptMap_Element_Target_DependsOn_CodeSystem type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-ConceptMap.element.target.dependsOn.codeSystem'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Code System (if necessary) choices: [valueUri] index: 2 valueUri: short: Code System (if necessary) type: uri base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-ConceptMap.element.target.dependsOn.codeSystem base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.1.0 required: [valueUri, url, value]