{
  "resourceType": "CodeSystem",
  "id": "allergy-intolerance-type",
  "meta": {
    "lastUpdated": "2018-12-27T22:37:54.724+11:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "pc"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 3
    }
  ],
  "url": "http://hl7.org/fhir/allergy-intolerance-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.132"
    }
  ],
  "version": "4.0.0",
  "name": "AllergyIntoleranceType",
  "title": "AllergyIntoleranceType",
  "status": "draft",
  "experimental": false,
  "date": "2018-12-27T22:37:54+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Identification of the underlying physiological mechanism for a Reaction Risk.",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/allergy-intolerance-type",
  "content": "complete",
  "concept": [
    {
      "code": "allergy",
      "display": "Allergy",
      "definition": "A propensity for hypersensitive reaction(s) to a substance.  These reactions are most typically type I hypersensitivity, plus other \"allergy-like\" reactions, including pseudoallergy."
    },
    {
      "code": "intolerance",
      "display": "Intolerance",
      "definition": "A propensity for adverse reactions to a substance that is not judged to be allergic or \"allergy-like\".  These reactions are typically (but not necessarily) non-immune.  They are to some degree idiosyncratic and/or patient-specific (i.e. are not a reaction that is expected to occur with most or all patients given similar circumstances)."
    }
  ]
}