| Abbreviation | Definition |
|---|---|
| PHS-1DMAT | Public Health Service Disaster Medical Assistance Team |
| PHSIPO | Public Health Surveillance and Informatics Program Office (proposed) |
| phsp | Public Health Service pOLICY |
| PHW | Political Handbook of the World |
| PI | Per Inquiry |
| PI | Policy Iteration |
| PI | Postal Inspectors |
| PI | Public Information |
| PI | Pure Imported |
| PIAPS | Pig In A Pant Suit |
| PIB | Policy Information Base |
| PIB | Public Information Book |
| PIC | Pre Ike Credential |
| PIC | Public Interest Committee |
| PICL | Policy Information Center Library |
| PICS | Protocol Implementation Conformance Statement |
| PIE | Preparation Implementation And Evaluation |
| PIE | Program Implementation Experience |
| PIF | Participant Information Form |
| PIG | Pipeline Inspection Gadget |