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1.25.3.1.252 HL7 Version 2 Table http://hl7.org/fhir/v2/0252 
This is a table defined as part of HL7 v2. Related FHIR content: v2 Causality Observations.
Summary
| Defining URL: | http://hl7.org/fhir/ValueSet/v2-0252 |
| Name: | v2 Causality Observations |
| Definition: | FHIR Value set/code system definition for HL7 v2 table 0252 ( Causality Observations) |
| OID: | ?? |
| System URL: | http://hl7.org/fhir/v2/0252 |
| System OID: | 2.16.840.1.133883.18.147 |
| Source Resource | XML / JSON |
This value set is not currently used
1.25.3.1.252.1 Content Logical Definition 
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| AW | Abatement of event after product withdrawn | added v2.3 |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 |