| Abbreviation | Definition |
|---|---|
| PTPM | Partially-Treated Pyogenic Meningitis |
| PTR | Patellar Tendon Reflex |
| PTS | Patient Transport Service |
| PTS | positive threshold shift |
| PTS | Post Traumatic Stress |
| PTSD | Post Traumatic Stress Disorder |
| PTSP | Physician Triage and Support Program |
| PTT | Partial Thromboplastin Time |
| PTX | Pneumothorax |
| PTXES | Pneumothoraces |
| PU | Pregnancy Urine |
| PUA | Portland Urologic Associates |
| PUB | Peptic Ulcer Bleeding |
| PUB | Perforations, Ulcers, and Bleeds |
| PUD | Peptic Ulcer Disease |
| PUD | Pulmonary Disease |
| PUFA(s) | polyunsaturated fatty acid(s) |
| PUJ | PelviUreteric Junction |
| PUL | Pulmonary |
| PUL | Pulmonary Disease |