This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions icon CodeSystem http://hl7.org/fhir/allergy-intolerance-category

Patient Care icon Work Group Maturity Level: 3Trial Use Use Context: Country: World
Official URL: http://hl7.org/fhir/allergy-intolerance-category Version: 6.0.0-cibuild
active as of 2021-01-04 Computable Name: AllergyIntoleranceCategory
Flags: CaseSensitive, Complete. All codes ValueSet: Allergy Intolerance Category OID: 2.16.840.1.113883.4.642.4.134

This Code system is used in the following value sets:

Category of an identified substance associated with allergies or intolerances.

This case-sensitive code system http://hl7.org/fhir/allergy-intolerance-category defines the following codes:

food FoodAny substance consumed to provide nutritional support for the body.btn btn
medication MedicationSubstances administered to achieve a physiological effect.btn btn
environment EnvironmentAny substances that are encountered in the environment, including any substance not already classified as food, medication, or biologic.btn btn
biologic BiologicA 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.btn btn


See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code