description: This cross-version extension represents ChargeItemDefinition.applicability.language from http://hl7.org/fhir/StructureDefinition/ChargeItemDefinition|4.3.0 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4b.r5 derivation: constraint name: ext_R4B_ChargeItemDefinition_ap_language type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Language of the expression choices: [valueString] index: 1 valueString: base: {path: 'Extension.value[x]'} type: string short: Language of the expression choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-ChargeItemDefinition.applicability.language'} type: uri index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-ChargeItemDefinition.applicability.language base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]