Table 0252 - Causality Observations

11 coded values. Used by PCR-22.

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`AW`	Abatement of event after product withdrawn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