FHIR General Extensions IG
0.1.0 - Working Copy International flag

This page is part of the FHIR Core Extensions Registry (v0.1.0: Releases Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions

CodeSystem: AllergyIntolerance certainty

Official URL: http://hl7.org/fhir/reaction-event-certainty Version: 0.1.0
Draft as of 2023-03-04 Computable Name: AllergyIntoleranceCertainty
Other Identifiers: id: urn:oid:2.16.840.1.113883.4.642.1.1276, id: urn:oid:2.16.840.1.113883.4.642.1.860 (use: OLD), id: urn:oid:2.16.840.1.113883.4.642.2.54 (use: OLD)

AllergyIntoleranceCertainty

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

This code system http://hl7.org/fhir/reaction-event-certainty defines the following codes:

CodeDisplayDefinition
unlikely UnlikelyThere is a low level of clinical certainty that the reaction was caused by the identified substance.
likely LikelyThere is a high level of clinical certainty that the reaction was caused by the identified substance.
confirmed ConfirmedThere is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge.
unknown UnknownThe clinical certainty that the reaction was caused by the identified substance is unknown. It is an explicit assertion that certainty is not known.