| Abbreviation | Definition |
|---|---|
| PPWS | Pathology Physiology and Weed Science |
| PQM | Physician Quality Measurement |
| PQP | Physician Quality Partners |
| PQRI | Physician Quality Reporting Initiative |
| PQRI | Physicians Quality Reporting Initiative |
| PQRS | Physician Quality Reporting System |
| PR | passive resistance |
| PR | Programmed Release |
| PR | Progress Record |
| PR | Pulse Rate |
| PR | Rectally |
| PRA | Panel Reactive Antibodies |
| PRA | Progressive Retinal Atrophy |
| PRAT | Pace, Rhythm, Attack, Timing |
| PRBC | Packed Red Blood Cells |
| PRCA | Pure Red Cell Aplasia |
| PRDM | Perceptual Ringing Distortion Metric |
| PRE | Progressive Resistance Exercise |
| PREDNIS | Prednisolone |
| PREDNISACE | Prednisolone Acetate |