| Abbreviation | Meaning |
|---|
| DS | diagnosis |
| D5 | 5% dextrose |
| D25 | 25% dextrose injections |
| D4T | stavudine |
| D5W | 5% dextrose in water - IV fluids for intravenous therapy |
| d | day(s) |
| DA | dopamine |
| DAEC | diffusely adherent Escherichia coli |
| DAF | decay accelerating factor |
| DAI | diffuse axonal injury |
| DALY | disability-adjusted life year |
| DAPT | dual anti-platelet therapy |
| DBE | Double-balloon enteroscopy |
| DBP | diastolic blood pressure |
| DBS | deep brain stimulation dried blood spots |
| D&C | dilatation and curettage |
| D/C | discharge
discontinue |
| DCBE | double contrast barium enema |
| DCD | donation after cardiac death
developmental coordination disorder |
| DCCV | direct current cardioversion |
| DCDA | dichorionic diamniotic |
| DCIS | ductal carcinoma in situ |
| DCM | dilated cardiomyopathy |
| DCP | Dynamic compression plate |
| DD | differential diagnosis
Diastolic Dysfunction |
| DDAVP | deamino D-arginine vasopressin |
| DDC | zalcitabine |
| DDD | daily defined doses
Degenerative disk disease |
| DDH | developmental hip dysplasia |
| DDI | didanosine |
| DDx | differential diagnosis |
| D&E | dilatation and evacuation |
| DEE | developmental and epileptic encephalopathy |
| DES | diethylstilbestrol
Drug-eluting stent |
| DEXA | Dual energy X-ray absorptiometry |
| DH | developmental history
Department of Health (United Kingdom), a branch of government |
| DHE | dihydroergotamine |
| DHEA-S | dehydroepiandrosterone sulphate |
| DHF | decompensated heart failure |
| DHR | dihydrorhodamine |
| DHT | dihydrotestosterone |
| DHT | Dobhoff Tube |
| DI | diabetes insipidus |
| DIB | dead in bed
difficulty in breathing |
| DIC | disseminated intravascular coagulation |
| DICVP | Diplomate, International College of Veterinary Pharmacy |
| DID | Dissociative identity disorder |
| Di-Di | dichromatic diamnionic twins |
| DIL | drug-induced lupus |
| DILI | drug-induced liver injury |
| DIP | distal interphalangeal joint or Diffuse Interstitial Pneumonitis |
| DiPerTe | diphtheria-pertussis-tetanus (combined vaccination) |
| Dis | dislocation |
| Disch | discharge |
| DiTe | diphtheria-tetanus (combined vaccination) |
| DIU | death in utero (stillbirth) |
| DJD | degenerative joint disease (osteoarthritis) |
| DKA | diabetic ketoacidosis |
| dl | deciliter |
| dL | deciliter |
| DLB | dementia with Lewy bodies |
| DLCO | diffusing capacity of the lung for carbon monoxide |
| DLE | disseminated lupus erythematosus (systemic lupus erythematosus) |
| DLI | donor lymphocyte infusion |
| DLP | dyslipoproteinemia [1] |
| DM | diabetes mellitus, Dermatomyositis |
| DM2 | Type 2 diabetes, formerly known as Non-Insulin Dependent Diabetes Mellitus (NIDDM). |
| DMARD | disease-modifying antirheumatic drug |
| DMD | Duchenne muscular dystrophy;
Dentariae Medicinae Doctor, that is, Doctor of Dental Medicine |
| DME | durable medical equipment |
| DMPA | depot medroxyprogesterone acetate |
| DMSA | dimercaptosuccinic acid |
| DMT | dimethyltryptamine |
| DNA | deoxyribonucleic acid |
| DNACPR | do not attempt cardiopulmonary resuscitation |
| DNI | do not intubate |
| DNR | do not resuscitate |
| DNAR | do not attempt resuscitation |
| DO | Doctor of Osteopathic Medicine |
| D/O | died of, disorder |
| DOA | dead on arrival
drugs of abuse |
| DOB | Date of birth |
| DOE | dyspnea on exertion |
| DOH | Department of Health |
| DOL | day of life |
| DORV | double outlet right ventricle |
| DOS | date of service |
| DOSS | docusate sodium; from the chemical name dioctyl sodium sulfosuccinate |
| DP | dorsalis pedis |
| DPH | diphenylhydantoin |
| DPL | diagnostic peritoneal lavage |
| DPLD | diffuse parenchymal lung disease |
| DPM | Doctor of Podiatric Medicine |
| DPT | diphtheria-pertussis-tetanus (DPT vaccine) |
| DRE | Digital Rectal ExaminationDilated Retinal Exam |
| DRPLA | Dentatorubral-Pallidoluysian Atrophy |
| DRT | dead right there |
| DS | disease
Down syndrome (trisomy 21) diopters sphere |
| DSA | digital subtraction angiography
Donor specific antibody |
| DSD | differences of sex development
dry sterile dressing |
| Dsg | dressing |
| DSM | Diagnostic and Statistical Manual of Mental Disorders |
| dsRNA | double-stranded RNA |
| DT | diphtheria-tetanus (combined vaccination)
delirium tremens |
| D/T | due to |
| DTA | descending thoracic aorta |
| DTaP | diphtheria–tetanus–acellular pertussis (combined vaccination) |
| DTP | diphtheria-tetanus-pertussis (combined vaccination) |
| DTR | deep tendon reflex |
| DTs | delirium tremens |
| DU | duodenal ulcer (see peptic ulcer) |
| DUB | dysfunctional uterine bleeding |
| DVT | deep vein thrombosis |
| D/W | discussed with |
| DW | dextrose in water |
| D5W | 5% dextrose in water |
DX
Dx | diagnosis |
| DXA | Dual-energy X-ray absorptiometry |
| DZ | disease |