description: The estimated patient age at which the allergy or intolerance resolved. Should be specified only if the status is resolved. package_name: hl7.fhir.core derivation: constraint name: Age that the allergy or intolerance resolved type: Extension elements: extension: index: 0 slicing: slices: extension: match: {} schema: {index: 0} max: 0 url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/allergyintolerance-resolutionAge'} index: 1 value: choices: [valueAge] index: 3 valueAge: {type: Age, choiceOf: value, index: 4} package_version: 1.8.0 extensions: extension: {url: null, max: 0, index: 0} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/allergyintolerance-resolutionAge base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueAge, value]