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TX: CodeSystem 993

Properties

Profile http://hl7.org/fhir/StructureDefinition/shareablecodesystem
Last updated: January 30, 2023 at 08:07:38 PM UTC
Defining URL http://hl7.org/fhir/reaction-event-certainty
Version 1.0.0
Name AllergyIntoleranceCertainty
Title AllergyIntolerance certainty
Status draft
Definition

AllergyIntoleranceCertainty
Publisher HL7 International / FHIR Infrastructure
Committee pc
EXT_FMM_LEVEL 2
Source hl7.fhir.uv.extensions.r4#1.0.0

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

Code Display Definition
unlikely Unlikely There is a low level of clinical certainty that the reaction was caused by the identified substance.
likely Likely There is a high level of clinical certainty that the reaction was caused by the identified substance.
confirmed Confirmed There 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 Unknown The clinical certainty that the reaction was caused by the identified substance is unknown. It is an explicit assertion that certainty is not known.