{"caseSensitive":true,"concept":[{"code":"food","definition":"Any substance consumed to provide nutritional support for the body.","display":"Food"},{"code":"medication","definition":"Substances administered to achieve a physiological effect.","display":"Medication"},{"code":"environment","definition":"Any substances that are encountered in the environment, including any substance not already classified as food, medication, or biologic.","display":"Environment"},{"code":"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.","display":"Biologic"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"Category of an identified substance associated with allergies or intolerances.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"pc"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":3}],"id":"allergy-intolerance-category","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.134"},{"system":"urn:ietf:rfc:3986","use":"old","value":"urn:oid:2.16.840.1.113883.4.642.1.124"},{"system":"urn:ietf:rfc:3986","use":"old","value":"urn:oid:2.16.840.1.113883.4.642.2.53"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-29T21:54:20.327+00:00"},"name":"AllergyIntoleranceCategory","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem allergy-intolerance-category</b></p><a name=\"allergy-intolerance-category\"> </a><a name=\"hcallergy-intolerance-category\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/allergy-intolerance-category</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">food<a name=\"allergy-intolerance-category-food\"> </a></td><td>Food</td><td>Any substance consumed to provide nutritional support for the body.</td></tr><tr><td style=\"white-space:nowrap\">medication<a name=\"allergy-intolerance-category-medication\"> </a></td><td>Medication</td><td>Substances administered to achieve a physiological effect.</td></tr><tr><td style=\"white-space:nowrap\">environment<a name=\"allergy-intolerance-category-environment\"> </a></td><td>Environment</td><td>Any substances that are encountered in the environment, including any substance not already classified as food, medication, or biologic.</td></tr><tr><td style=\"white-space:nowrap\">biologic<a name=\"allergy-intolerance-category-biologic\"> </a></td><td>Biologic</td><td>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.</td></tr></table></div>","status":"generated"},"title":"Allergy Intolerance Category","url":"http://hl7.org/fhir/allergy-intolerance-category","valueSet":"http://hl7.org/fhir/ValueSet/allergy-intolerance-category","version":"6.0.0-ballot4"}