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Causality Observations
Vocabulary Type	Code System - Universal
Concept Domain	Causality Observations
Code System Name
Code System Identifier
Code System OID
HL7 Table Identifier	HL70252
Version
Status	Active
Where Used	PCR-22
Purpose and Use	HL7-defined table of codes used to record event observations regarding what may have caused a product related event.

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AW	Abatement of event after product withdrawn	Abatement of event after product withdrawn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