| D&D | Divorced And Desperate (middle Aged Female Who Visits Doctor Weekly Just For Male Attention) | - | NASA |
| D&D | Death And Donuts (night Shift) | - | NASA |
| DACB | (US) Drunk As Cooter Brown (UK Equivalent Is PAAF/PIAF) | - | NASA |
| DBI | Dirt Bag Index: Number Of Tattoos X Number Of Missing Teeth = Days Since The Patient Last Bathed | - | NASA |
| DENTIST | Doesn't Even Need Treatment - It's Sorted, Truly | - | NASA |
| DF | Dude Factor - Survival Scoring Factor Based On Social Worth. A High Dude Factor = An Individual Of Questionable Social Worth Who Survives Near-fatal Injuries. A Low Dude Factor = Professional Person Who Slips In The Bathroom Sustaining A Fatal Injury | - | NASA |
| DFO | (US) Done Fell Out (anything From Fainting To Cardiac Arrest) | - | NASA |
| DFO | Drunk And Fell Over | - | NASA |
| DFO-SFJ | Done Fell Out - Screaming For Jesus | - | NASA |
| DIDC | Dose Of I Don't Care - Pain-killing Meds That Make Patient Light-headed | - | NASA |
| DIDR | Dose Of I Don't Remember - Pain-killing Meds That Leave Patient Without Memory Of Painful Procedure | - | NASA |
| DIFFC | Dropped In For Friendly Chat (i.e. No Medical Problem) | - | NASA |
| DIIK | Darned If I Know | - | NASA |
| DILF | Doctor I'd Like To F*** (Fornicate With): Nursing Slang For Good-looking Doctor | - | NASA |
| DILLIGAF | Do I Look Like I Give A F*ck | - | NASA |
| DKA | Don't/Doesn't Know Anything (but Is Explained To Relatives As Diabetic Ketoacidosis If Challenged) | - | NASA |
| DMFNFL | Dumb Mother F*cker, Not Fit To Live | - | NASA |
| DOD | Donut Of Death - CT Scanner | - | NASA |
| DOTS | Dead On The Spot (of An Accident), Also FDOTS (F*cking Dead On The Spot) | - | NASA |
| DPS | Dumb Parent Syndrome | - | NASA |
| DPS | (General Practice) Droopy Penis Syndrome: A Patient Wanting Viagra Prescription | - | NASA |
| DPS | (Hospitals) Disappearing Penis Syndrome: The Usual Reaction Of The Male Organ In Response To Insertion Of Catheter Or Endoscope | - | NASA |
| DQ | Drama Queen | - | NASA |
| DRT | Dead Right There (patient Dead At Scene Of Accident) | - | NASA |
| DRTTTT | Dead Right There, There, There And There (patient Dead And In Multiple Parts At Scene Of Accident) | - | NASA |
| DSB | Drug-Seeking Behaviour (faking Illness To Fuel Narcotic Addiction) | - | NASA |
| DSP | Dumb Sh*t Profile | - | NASA |
| DTMA | Don't Transfer To Me Again. | - | NASA |
| DTS | Danger To Shipping (in Reference To Particularly Large Patients) | - | NASA |
| DUB | Damn Ugly Baby | - | NASA |
| DWPA | Death / Dying With Paramedic Assistance | - | NASA |