| P4P | Penicillin For Prick (peniecille For Penile Discharge) | - | NASA |
| PAAF | Pissed As A Fart (also PIAF -PIssed As A Fart) | - | NASA |
| PAFO | Pissed [Drunk] And Fell Over | - | NASA |
| PBAB | Pine Box At Bedside | - | NASA |
| PBABLTO | Pine Box At Bedside, Leave Top Off | - | NASA |
| PBLS | Positive Blue Legs Sign - (US) Resuscitation Behind Closed Curtains (US ER Medics Wear Blue Scrubs) | - | NASA |
| PBOO | Pine Box On Order | - | NASA |
| PBS | Pretty Bad Shape | - | NASA |
| PBTB | Pine Box To Bedside; Indicates An Imminent Demise | - | NASA |
| PCUINIA | Please Consult Us If New (Surgical) Issues Arise - I.e. Please Never Page Me Again | - | NASA |
| PDSD | Pre-Detention Stress Disorder - A Person Who Feigns Medical Symptoms When Police Handcuff Him | - | NASA |
| PEFYC | Pre Extricated For Your Convenience (RTA Victim That Has Gone Through Windscreen) | - | NASA |
| PEP | Pharmaceutically Enhanced Personality - Stoned Or Medicated | - | NASA |
| PFH | Parent(s) From Hell (custodians Of BFH - Brat From Hell) | - | NASA |
| PFO | Pissed (Drunk) And Fell Over | - | NASA |
| PGT | Pissed (Drunk) And Got Thumped | - | NASA |
| PHAT | Pretty Hot And Tempting (warning To Others) | - | NASA |
| PHS | Positive Hilton Sign - Demanding Patient Expects Hilton Hotel Luxury; Indicates Patient Well Enough To Leave! | - | NASA |
| PIA | Pain In The Ass | - | NASA |
| PIAF | PIssed As A Fart (drunk) (also PAAF -Pissed As A Fart) | - | NASA |
| PID | Pus In 'Dere (PID Actually Means Pelvic Inflammatory Disease) | - | NASA |
| PITA | Pain In The Ass | - | NASA |
| PLH | Pray Long And Hard | - | NASA |
| PLTDP | Practice Limited To Dead People | - | NASA |
| PNR | Person Needed A Ride I.e. Minor Ailment But Called Ambulance Instead Of Taxi | - | NASA |
| POMT | Please Optimize Medical Treatment - Don't Call Us Until You've Done Your Job First | - | NASA |
| POPTA | Passed Out Prior To Arrival | - | NASA |
| PORG | Person Of Restricted / Retarded Growth (dwarf / Midget) | - | NASA |
| PP | Plank Positive - Stupid, As In "thick As 2 Short Planks" | - | NASA |
| PP | Pumpkin Positive - A Penlight Shone Into The Patient's Mouth/ear Would Encounter A Brain So Small That The Whole Head Would Light Up | - | NASA |
| PPA | Practicing Professional Alcoholic | - | NASA |
| PPP | Piss Poor Protoplasm | - | NASA |
| PPPPP | Piss Poor Protoplasm Poorly Put-together (really Old And / Or Decrepit) | - | NASA |
| PRATFO | Patient Reassured And Told To F*** Off | - | NASA |
| PSS | Positive Suitcase Sign - Patients Who Are Repeated Admissions For Prolonged Periods With No Physiological Cause Of Their Problems. They Turn Up At Hospital With Packed Suitcases Ready For Admission | - | NASA |
| PWFS | Post-Weekend Fatigue Syndrome - An Ailment Which Presents At GP Surgeries On Monday Mornings | - | NASA |
| PWT | Poor White Trash (with A Condition Related To Their Lifestyle) | - | NASA |
