| Abbreviation | Definition |
|---|---|
| PNC | Prior Notice Center |
| PNC(ORA) | Prior Notice Center (ORA) |
| PNIG | Patient Narrative Information Guide |
| PNNL | Pacific Northwest National Laboratory |
| PNS | Peripheral Nervous System |
| PNS | Premarket Notification Section |
| PNS(CDRH) | Premarket Notification Section (CDRH) |
| PNSI | Prior Notice System Interface |
| PO | Per Os (by mouth) |
| POA | Privately Owned Automobile |
| POB | Program Operations Branch |
| POB(CBER) | Program Operations Branch (CBER) |
| PODS | Program Oriented Data System |
| PODS | Project Oriented Data System |
| POM | Prescription-Only Medicine |
| POMS | Profile Of Mood States |
| POS | Point Of Sale |
| POS(CBER) | Program Operation Staff (CBER) |
| POS(CBER) | Program Operation Staff (Center for Biologics Evaluation and Research) |
| POS(CDRH) | Program Operations Staff (CDRH) |