HL7 Terminology
2.1.0 - Publication

This page is part of the HL7 Terminology (v2.1.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions

CodeSystem: causalityObservations


Defining URL:http://terminology.hl7.org/CodeSystem/v2-0252
Status:Active as of 2019-12-01

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.

Publisher:HL7, Inc
Committee:Orders and Observations

Copyright HL7. Licensed under creative commons public domain

Content:Complete: All the concepts defined by the code system are included in the code system resource
OID:2.16.840.1.113883.18.147 (for OID based terminology systems)
Value Set:http://terminology.hl7.org/ValueSet/v2-0252 ( is the value set for all codes in this code system)
Source Resource:XML / JSON / Turtle

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


statushttp://terminology.hl7.org/CodeSystem/utg-concept-properties#statusStatus of the conceptcode
deprecatedhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecatedVersion of HL7 in which the code was deprecatedcode

This code system http://terminology.hl7.org/CodeSystem/v2-0252 defines the following codes:

AW Abatement of event after product withdrawnAbatement of event after product withdrawn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


2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.