description: This cross-version extension represents MedicationKnowledge.drugCharacteristic from http://hl7.org/fhir/StructureDefinition/MedicationKnowledge|4.3.0 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4b.r5 derivation: constraint name: ext_R4B_MedicationKnowledge_drugCharacteristic type: Extension elements: extension: array: true index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 0 slices: type: match: {url: null} schema: isModifier: false short: Code specifying the type of characteristic of medication index: 1 elements: value: base: {path: 'Extension.value[x]'} short: Code specifying the type of characteristic of medication choices: [valueCodeableConcept] index: 3 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Code specifying the type of characteristic of medication choiceOf: value index: 4 value[x]: match: {url: null} schema: short: Description of the characteristic isModifier: false index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Description of the characteristic choices: [valueCodeableConcept, valueString, valueQuantity, valueBase64Binary] index: 7 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Description of the characteristic choiceOf: value index: 8 valueString: base: {path: 'Extension.value[x]'} type: string short: Description of the characteristic choiceOf: value index: 9 valueQuantity: base: {path: 'Extension.value[x]'} type: Quantity short: Description of the characteristic choiceOf: value index: 10 valueBase64Binary: base: {path: 'Extension.value[x]'} type: base64Binary short: Description of the characteristic choiceOf: value index: 11 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.drugCharacteristic'} index: 12 package_version: 0.0.1-snapshot-1 extensions: type: url: null isModifier: false short: Code specifying the type of characteristic of medication index: 1 elements: value: base: {path: 'Extension.value[x]'} short: Code specifying the type of characteristic of medication choices: [valueCodeableConcept] index: 3 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Code specifying the type of characteristic of medication choiceOf: value index: 4 value[x]: url: null short: Description of the characteristic isModifier: false index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Description of the characteristic choices: [valueCodeableConcept, valueString, valueQuantity, valueBase64Binary] index: 7 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Description of the characteristic choiceOf: value index: 8 valueString: base: {path: 'Extension.value[x]'} type: string short: Description of the characteristic choiceOf: value index: 9 valueQuantity: base: {path: 'Extension.value[x]'} type: Quantity short: Description of the characteristic choiceOf: value index: 10 valueBase64Binary: base: {path: 'Extension.value[x]'} type: base64Binary short: Description of the characteristic choiceOf: value index: 11 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.drugCharacteristic base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]