| PICC | Peripherally inserted central catheters |
|---|---|
| PICP | type I collagen |
| PICSO | Pressure Controlled Intermittent Coronary Sinus Occlusion |
| PICU | Paediatric Intensive Care Unit |
| PICU | Pediatric ICU |
| PID | Pain intensity difference |
| PID | Pelvic Inflammatory Disease |
| PiD | Pick's Disease |
| PID | Post-Infection Day |
| PID | Postinoculation Day |