| Abbreviation | Definition |
|---|---|
| POS(CDRH) | Program Operations Staff (Center for Devices and Radiological Health) |
| POV | privately-owned vehicle |
| POWER | Petition Optical Workflow, Exchange, and Retrieval |
| PP | Pay Period |
| PPA | PhenylPropanolAmine |
| PPA | Poison Prevention Act |
| PPB | Plant Products Branch |
| PPB(CFSAN) | Plant Products Branch (CFSAN) |
| PPC | Production and Process Controls |
| PPE | Pay Period Ending |
| PPI | Patient Package Insert |
| PPI | Planned Product Improvement |
| PPIA | Poultry Products Inspection Act |
| PPM | Planned Preventive Maintenance |
| PPS | Policy and Publications Staff |
| PPS(CBER) | Policy and Publications Staff (CBER) |
| PPSR | Proposal for Pediatric Studies Request |
| PPT | Plasma Preparation Tube |
| PPTA | Plasma Protein Therapeutics Association |
| PPTP | Point-to-Point Tunneling Protocol |