{

"resourceType": "CodeSystem",
"id": "allergy-intolerance-category",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+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-category",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.134"
  }
],
"version": "4.0.1",
"name": "AllergyIntoleranceCategory",
"title": "AllergyIntoleranceCategory",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+11:00",
"publisher": "HL7 (FHIR Project)",
"contact": [
  {
    "telecom": [
      {
        "system": "url",
        "value": "http://hl7.org/fhir"
      },
      {
        "system": "email",
        "value": "fhir@lists.hl7.org"
      }
    ]
  }
],
"description": "Category of an identified substance associated with allergies or intolerances.",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/allergy-intolerance-category",
"content": "complete",
"concept": [
  {
    "code": "food",
    "display": "Food",
    "definition": "Any substance consumed to provide nutritional support for the body."
  },
  {
    "code": "medication",
    "display": "Medication",
    "definition": "Substances administered to achieve a physiological effect."
  },
  {
    "code": "environment",
    "display": "Environment",
    "definition": "Any substances that are encountered in the environment, including any substance not already classified as food, medication, or biologic."
  },
  {
    "code": "biologic",
    "display": "Biologic",
    "definition": "A preparation that is synthesized from living organisms or their products, especially a human or animal protein, such as a hormone or antitoxin, that is used as a diagnostic, preventive, or therapeutic agent. Examples of biologic medications include: vaccines; allergenic extracts, which are used for both diagnosis and treatment (for example, allergy shots); gene therapies; cellular therapies.  There are other biologic products, such as tissues, which are not typically associated with allergies."
  }
]

}