{ "description": "Identification of the underlying physiological mechanism for a Reaction Risk.", "_filename": "CodeSystem-allergy-intolerance-type.json", "package_name": "hl7.fhir.r6.core", "date": "2021-01-05T10:01:24+11:00", "meta": { "profile": [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ], "lastUpdated": "2025-04-01T12:16:37.966+11:00" }, "publisher": "HL7 (FHIR Project)", "jurisdiction": [ { "coding": [ { "code": "001", "system": "http://unstats.un.org/unsd/methods/m49/m49.htm", "display": "World" } ] } ], "content": "complete", "name": "AllergyIntoleranceType", "type": null, "experimental": "false", "resourceType": "CodeSystem", "title": "Allergy Intolerance Type", "package_version": "6.0.0-ballot3", "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 } ], "status": "active", "id": "9a7b2419-eb0b-4d5b-93f3-7067a07a3995", "valueSet": "http://hl7.org/fhir/ValueSet/allergy-intolerance-type", "kind": null, "url": "http://hl7.org/fhir/allergy-intolerance-type", "identifier": [ { "value": "urn:oid:2.16.840.1.113883.4.642.4.132", "system": "urn:ietf:rfc:3986" }, { "use": "old", "value": "urn:oid:2.16.840.1.113883.4.642.1.122", "system": "urn:ietf:rfc:3986" }, { "use": "old", "value": "urn:oid:2.16.840.1.113883.4.642.2.52", "system": "urn:ietf:rfc:3986" } ], "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)." } ], "caseSensitive": true, "version": "6.0.0-ballot3", "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "url" }, { "value": "fhir@lists.hl7.org", "system": "email" } ] } ] }