description: Defines constraints and extensions on the AllergyIntolerance resource for the minimal set of data to query and retrieve allergy information. package_name: hl7.fhir.us.core derivation: constraint name: US Core Allergies Profile type: AllergyIntolerance elements: clinicalStatus: {isModifier: false, type: code, mustSupport: true, index: 0} verificationStatus: {isModifier: false, type: code, mustSupport: true, index: 1} code: {isModifier: false, type: CodeableConcept, mustSupport: true, index: 2} patient: isModifier: false refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-patient'] type: Reference mustSupport: true index: 3 package_version: 2.0.0 class: profile kind: resource url: http://hl7.org/fhir/us/core/StructureDefinition/us-core-allergyintolerance base: http://hl7.org/fhir/StructureDefinition/AllergyIntolerance version: 2.0.0 required: [verificationStatus, patient, code]