This page is part of the FHIR Specification (v0.5.0: DSTU 2 Ballot 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
. Page versions: R4 R3 R2
1.23.3.1.252 HL7 Version 2 Table http://hl7.org/fhir/v2/0252 
This is a table defined as part of HL7 v2.
Formal value Set definition (identifier http://hl7.org/fhir/v2/vs/0252): XML or JSON
Causality Observations
| Code | Description | Version |
| AW | Abatement of event after product withdrawn | added v2.3 |
| BE | Event recurred after product reintroduced | added v2.3 |
| DR | Dose response observed | added v2.3 |
| EX | Alternative explanations for the event available | added v2.3 |
| IN | Event occurred after product introduced | added v2.3 |
| LI | Literature reports association of product with event | added v2.3 |
| OE | Occurrence of event was confirmed by objective evidence | added v2.3 |
| OT | Other | added v2.3 |
| PL | Effect observed when patient receives placebo | added v2.3 |
| SE | Similar events in past for this patient | added v2.3 |
| TC | Toxic levels of product documented in blood or body fluids | added v2.3 |