description: This cross-version extension represents Account.coveragePeriod from http://hl7.org/fhir/StructureDefinition/Account|1.0.2 for use in FHIR R5. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R2_Account_coveragePeriod type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Transaction window choices: [valuePeriod] index: 1 valuePeriod: base: {path: 'Extension.value[x]'} type: Period short: Transaction window choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-Account.coveragePeriod'} type: uri index: 3 package_version: r2.r5-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-Account.coveragePeriod base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]