GET /AllergyIntolerance

fhir.org:hl7-fhir-api

Summary: Search allergies
Operation ID: searchAllergyIntolerance
Auth: none
Description

Search for patient allergies and intolerances

Parameters (5)

_count (integer, query, optional, default: 20)
clinical-status (string, query, optional)

Active or inactive

Constraints: {'enum': ['active', 'inactive', 'resolved']}

code (string, query, optional)

Allergy substance code (RxNorm, SNOMED)

patient (string, query, optional)

Patient reference

verification-status (string, query, optional)

Constraints: {'enum': ['unconfirmed', 'confirmed', 'refuted', 'entered-in-error']}

Examples (3)

TitleTypeURLAction
Search all allergy intolerances curl https://hapi.fhir.org/baseR4/AllergyIntolerance
Search allergies for a specific patient curl https://hapi.fhir.org/baseR4/AllergyIntolerance?patient=example
Search with limited result count curl https://hapi.fhir.org/baseR4/AllergyIntolerance?_count=10

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:09:31.763146 200 529ms
2026-03-23 09:45:16.215658 200 496ms
2026-03-23 09:05:20.938702 200 511ms

Response Changes

WhenOldNew
2026-03-23 09:45:16.215658 0226f3a020fd 4883ea2ffba1
2026-03-23 10:09:31.763146 4883ea2ffba1 9169cdd0ac90