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: USCoreAllergyIntolerance
type: AllergyIntolerance
elements:
  clinicalStatus:
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/allergyintolerance-clinical'}
    mustSupport: true
    index: 0
  verificationStatus:
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/allergyintolerance-verification'}
    mustSupport: true
    index: 1
  code:
    binding: {strength: extensible, valueSet: 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8'}
    mustSupport: true
    index: 2
  patient:
    type: Reference
    mustSupport: true
    refers: ['http://hl7.org/fhir/us/core/StructureDefinition/us-core-patient']
    index: 3
  reaction:
    mustSupport: true
    array: true
    index: 4
    elements:
      manifestation:
        binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/clinical-findings'}
        mustSupport: true
        array: true
        min: 1
        index: 5
    required: [manifestation]
package_version: 4.0.0
class: profile
kind: resource
url: http://hl7.org/fhir/us/core/StructureDefinition/us-core-allergyintolerance
base: http://hl7.org/fhir/StructureDefinition/AllergyIntolerance
version: 4.0.0
required: [patient, code]