description: This cross-version extension represents Coverage.group from http://hl7.org/fhir/StructureDefinition/Coverage|1.0.2 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r2.r4b derivation: constraint name: ext_R2_Coverage_group type: Extension elements: value: base: {path: 'Extension.value[x]'} short: An identifier for the group choices: [valueString] index: 1 valueString: base: {path: 'Extension.value[x]'} type: string short: An identifier for the group choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-Coverage.group'} index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-Coverage.group base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]