| D5W | Dextrose 5% In Water (IV) | - | Medical(slang) |
| DAA | Denitrogenation Absorption Atelectasis | - | Medical(slang) |
| DAT | Diet As Tolerated | - | Medical(slang) |
| DC | (dc) Discontinue | - | Medical(slang) |
| DC(DC) | Discontinue | - | Medical(slang) |
| DCCT | Diabetes Control And Complication Trials | - | Medical(slang) |
| DEX | (DXT) Blood Sugar | - | Medical(slang) |
| DEX(DXT) | Blood Sugar | - | Medical(slang) |
| DIA | Digital Image Analysis | - | Medical(slang) |
| DIC | Disseminated Intravascular Coagulation | - | Medical(slang) |
| DKA | Diabetic Ketoacidosis | - | Medical(slang) |
| DM | Diabetic Mellitus | - | Medical(slang) |
| DNA | Deoxyribonucleic Acid | - | Medical(slang) |
| DNA | Deoxyribonucleic Acid | - | Medical(slang) |
| DNR | Do Not Resuscitate | - | Medical(slang) |
| DOA | Dead On Arrival | - | Medical(slang) |
| DP | Direct Pressure | - | Medical(slang) |
| DTR | Deep Tendon Reflex | - | Medical(slang) |
| DVT | Deep Vein Thrombosis | - | Medical(slang) |
| DX | Diagnosis | - | Medical(slang) |
