| Abbreviation | Definition |
|---|---|
| PHQ | Personal History Questionnaire |
| PHRI | Physicians for Human Rights Israel |
| PHS | Prolene Hernia Solution |
| PHT | Pulmonary Heart Disorder |
| PHX | Past history |
| PI | Penile Implant |
| PI | Perpetual Idiosy |
| PI | Personal Injury |
| PI | Post Injection |
| PI | Present illness |
| PI | Pulmonary Insufficiency |
| PI3 | phosphatidylinositol 3 |
| PIA | Primary Immunodeficiency Association |
| PIA | Proliferative Inflammatory Atrophy |
| PIB | Pain In the Backside |
| PIC | Persistent Inward Current |
| PIC | Punctate Inner Choroidopathy |
| PICA | Posterior Inferior Cerebellar Artery |
| PICC | Peripherally Inserted Central Catheter |
| PICK | Practice Information Clearinghouse Of Knowledge |