Definition for Code SystemAllergyIntoleranceType

{
  "resourceType" : "CodeSystem",
  "id" : "allergy-intolerance-type",
  "meta" : {
    "lastUpdated" : "2022-09-07T10:58:29.429+10:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "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:2.16.840.1.113883.4.642.4.132"
  }],
  "version" : "5.0.0-ballot",
  "name" : "AllergyIntoleranceType",
  "title" : "AllergyIntoleranceType",
  "status" : "draft",
  "experimental" : false,
  "date" : "2021-01-05T10:01:24+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 judged to be not 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)."
  }]
}