HL7 v2.9 Vocabulary
0.1.0 - ci-build

HL7 v2.9 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.v29/ and changes regularly. See the Directory of published versions

CodeSystem: Causality Observations (2.9 - 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:

CodeDisplayDefinitionversionIntroducedmodified
AW Abatement of event after product withdrawn Abatement of event after product withdrawn 2.3 2015-07-13
BE Event recurred after product reintroduced Event recurred after product reintroduced 2.3 2015-07-13
DR Dose response observed Dose response observed 2.3 2015-07-13
EX Alternative explanations for the event available Alternative explanations for the event available 2.3 2015-07-13
IN Event occurred after product introduced Event occurred after product introduced 2.3 2015-07-13
LI Literature reports association of product with event Literature reports association of product with event 2.3 2015-07-13
OE Occurrence of event was confirmed by objective evidence Occurrence of event was confirmed by objective evidence 2.3 2015-07-13
OT Other Other 2.3 2015-07-13
PL Effect observed when patient receives placebo Effect observed when patient receives placebo 2.3 2015-07-13
SE Similar events in past for this patient Similar events in past for this patient 2.3 2015-07-13
TC Toxic levels of product documented in blood or body fluids Toxic levels of product documented in blood or body fluids 2.3 2015-07-13