| Abbreviation | Definition |
|---|---|
| PRE-OP | Before Surgery |
| PRES | Posterior Reversible Encephalopathy Syndrome |
| PRI | Patient Review Instrument |
| PRI | Physicians' Reciprocal Insurers |
| PRIDE | Peoples Restricted Intake Diet Education |
| PRISM | Patient Risk Information Storage Management |
| PRIT | Physician Regulatory Issues Team |
| PRIT | Physicians Regulatory Issues Team |
| PRK | Photo Refractive Keratotomy |
| PRL | Prolactin |
| PRM | Polymyalgia RheuMatica |
| PRM | Premature Rupture of Membrane |
| PRMP | Playing Related Musculoskeletal Problems |
| PRN | Physician Recommended Nutriceuticals |
| PRN | Pro Re Nata (as needed) |
| PRO | Prophylactic |
| PROC | PROcaine hydroChloride |
| PROM | Passive Range Of Motion |
| PROM | Premature Rupture Of the Membranes |
| PROMETH | Promethazine Hydrochloride |