description: This cross-version extension represents ChargeItem.overrideReason from http://hl7.org/fhir/StructureDefinition/ChargeItem|5.0.0 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r5.r4b derivation: constraint name: ext_R5_ChargeItem_overrideReason type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Reason for overriding the list price/factor choices: [valueCodeableConcept] index: 1 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Reason for overriding the list price/factor choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-ChargeItem.overrideReason'} 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-ChargeItem.overrideReason base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]