description: An extension to provide the method by which the hypersensitivity is established. package_name: nictiz.fhir.nl.r4.cio derivation: constraint name: ExtHypersensitivityDispositionMethodOfEstablishment type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/ext-HypersensitivityDisposition.MethodOfEstablishment'} index: 0 value: short: MethodOfEstablishment choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: MethodOfEstablishment, choiceOf: value, index: 3} package_version: 1.0.0-beta.1 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/ext-HypersensitivityDisposition.MethodOfEstablishment base: http://hl7.org/fhir/StructureDefinition/Extension version: null