HL7 v2.8 Vocabulary
0.1.0 - ci-build

HL7 v2.8 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v28/ and changes regularly. See the Directory of published versions

CodeSystem: Causality Observations (2.8 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/causalityObservations Version: 1.0.0
Active as of 2026-01-27 Computable Name: CausalityObservations
Other Identifiers: OID:2.16.840.1.113883.18.147

Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts used to record event observations regarding what may have caused a product related event. Used in HL7 Version 2.x messaging in the PCR segment.

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

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
versionIntroduced versionIntroduced http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced string version when was this code introduced
versionDeprecated versionDeprecated http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated string version when was this code deprecated
status status http://hl7.org/fhir/concept-properties#status code A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment comment http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment string A string that provides additional detail pertinent to the use or understanding of the concept
usage usage http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage string usage notes for this code
modified modified http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified dateTime date of last modification

Concepts

This case-sensitive code system http://terminology.hl7.org/v2plusvocab/CodeSystem/causalityObservations defines the following codes:

CodeDisplayDefinitionversionIntroduced
AW Abatement of event after product withdrawn Abatement of event after product withdrawn 2.3
BE Event recurred after product reintroduced Event recurred after product reintroduced 2.3
DR Dose response observed Dose response observed 2.3
EX Alternative explanations for the event available Alternative explanations for the event available 2.3
IN Event occurred after product introduced Event occurred after product introduced 2.3
LI Literature reports association of product with event Literature reports association of product with event 2.3
OE Occurrence of event was confirmed by objective evidence Occurrence of event was confirmed by objective evidence 2.3
OT Other Other 2.3
PL Effect observed when patient receives placebo Effect observed when patient receives placebo 2.3
SE Similar events in past for this patient Similar events in past for this patient 2.3
TC Toxic levels of product documented in blood or body fluids Toxic levels of product documented in blood or body fluids 2.3