| OTReg | Occupational Therapist, Registered |
|---|---|
| PASSOR | Physiatric Association for Spine, Sports, and Occupational Rehabilitation |
| PDH | past dental history; phosphate dehydrogenase; position-of-the-dynamometer-handle [test]; progressive... |
| PHI | passive hemagglutination inhibition; past history of illness; phosphohexose isomerase; physiological... |
| Phx | past history; pharynx |