HL7 Terminology (THO)
5.3.0 - Publication International flag

This page is part of the HL7 Terminology (v5.3.0: Release) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: allergyClinicalStatus

Official URL: http://terminology.hl7.org/CodeSystem/v2-0438 Version: 2.1.0
Active as of 2019-12-01 Responsible: HL7, Inc Computable Name: AllergyClinicalStatus
Other Identifiers: id: urn:oid:2.16.840.1.113883.18.279

Copyright/Legal: Copyright HL7. Licensed under creative commons public domain

Code system of concepts specifying the verification status for the allergy. Used in HL7 Version 2.x messaging in the IAM segment.

Underlying Master Code System for V2 table 0438 (Allergy Clinical Status)

This Code system is referenced in the content logical definition of the following value sets:


This code system defines the following properties for its concepts

statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statuscodeStatus of the concept
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedcodeVersion of HL7 in which the code was deprecated


This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0438 defines the following codes in a Is-A heirarchy:

U UnconfirmedUnconfirmed
P PendingPending
S SuspectSuspect
C Confirmed or verifiedConfirmed or verified
I Confirmed but inactiveConfirmed but inactive
E ErroneousErroneous
D Doubt raisedDoubt raised


2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.