FHIR Cross-Version Extensions package for FHIR R4B from FHIR R4
0.0.1-snapshot-2 - informative International flag

FHIR Cross-Version Extensions package for FHIR R4B from FHIR R4 - Version 0.0.1-snapshot-2. See the Directory of published versions

CodeSystem: AllergyIntoleranceCertainty

Official URL: http://terminology.hl7.org/CodeSystem/reaction-event-certainty Version: 4.0.1
Standards status: Informative Maturity Level: 0 Computable Name: AllergyIntoleranceCertainty

Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event.

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

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

CodeDisplayDefinition
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.