description: This cross-version extension represents ChargeItemDefinition.applicability.effectivePeriod from http://hl7.org/fhir/StructureDefinition/ChargeItemDefinition|5.0.0 for use in FHIR R4. package_name: hl7.fhir.uv.xver-r5.r4 derivation: constraint name: ext_R5_ChargeItemDefinition_ap_effectivePeriod type: Extension elements: value: base: {path: 'Extension.value[x]'} short: When the charge item definition is expected to be used choices: [valuePeriod] index: 1 valuePeriod: base: {path: 'Extension.value[x]'} type: Period short: When the charge item definition is expected to be used choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-ChargeItemDefinition.applicability.effectivePeriod'} type: uri index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-ChargeItemDefinition.applicability.effectivePeriod base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]