| [D10]Phe | deuterated phenanthrene |
| D1/3 MAGE3 HIS | D1/3-Mage-3-His Fusion Protein |
| D-1MT | 1-methyl-d-tryptophan |
| D-3MH | deuterated 3-methylhistidine |
| d4T | stavudine |
| DAB389 EGF | DAB389 epidermal growth factor |
| DAB389-IL2 | denileukin diftitox-cxdl |
| DAC | decitabine |
| DACA | acridine carboxamide |
| DACT | dactinomycin |
| DADPS | dapsone |
| DA-EPOCH-R | DA-EPOCH-R regimen; dose-adjusted EPOCH-R regimen |
| DAG | dianhydrogalactitol |
| DAN | danazol |
| DAR | Drug Accountability Record |
| DAS | anguidine |
| Dato-DXd | datopotamab deruxtecan-dlnk |
| DB1 | Radix Angelicae sinensis/Radix Astragali herbal supplement |
| DBA | Blackfan-Diamond anemia; congenital hypoplastic anemia; congenital pure red cell aplasia; Diamond-Blackfan anemia; erythrogenesis imperfecta; inherited erythroblastopenia |
| DBD | mitolactol |
| DBE | double balloon endoscopy; double balloon enteroscopy |
| DBM | demineralized bone matrix |
| DBVE | ABVE regimen; DBVE regimen |
| DBVE-PC | ABVE-PC regimen; DBVE-PC regimen |
| D&C | dilatation and curettage; dilation and curettage |
| DCA | sodium dichloroacetate |
| DC-AdCCL21 | autologous dendritic cell-adenovirus CCL21 vaccine |
| DC-AdGMCAIX | AdGMCAIX-transduced autologous dendritic cells |
| DC-CHOL LIP | DC-cholesterol liposome |
| DC-CIK | therapeutic dendritic cells/cytokine-induced killer cells |
| DCEP | DCEP regimen |
| DCF | docetaxel-cisplatin-fluorouracil; Taxotere-Platinol-fluorouracil; TPF regimen; pentostatin |
| DC-gp100-MART-1 | dendritic cell-gp100-MART-1 antigen vaccine |
| DC-Id-KLH vaccine | dendritic cell-idiotype-keyhole limpet hemocyanin vaccine |
| DCIKKb | IKKb-matured RNA-loaded autologous dendritic cells DCIKKb |
| DCIS | ductal carcinoma in situ; intraductal breast carcinoma |
| DC-KRN7000 | alpha-galactosylceramide-pulsed autologous dendritic cells |
| DCM | dichloromethotrexate |
| DC-OVA | DC-OVA vaccine |
| DC-PMAT | dendritic cell-precision multiple antigen T lymphocytes |
| DC-TC | eltrapuldencel-T |
| DCV | daclatasvir |
| ddA | dideoxyadenosine |
| DDB | plitidepsin |
| ddC | zalcitabine |
| DDD | mitotane |
| ddI | didanosine |
| DDM | dodecyl maltoside |
| DDMP | metoprine |
| DDS | Denys-Drash syndrome |
| DDTC | diethyldithiocarbamate |
| DEB | dystrophic epidermolysis bullosa |
| delta-8-THC | delta-8-tetrahydrocannabinol |
| DES | diethylstilbestrol |
| DESP | fosfestrol |
| DESS | dural polyethylene glycol-based surgical sealant |
| DETOXB | Detox-B adjuvant |
| dFdCyd | gemcitabine hydrochloride |
| DFM | deferoxamine mesylate |
| DFMO | difluoromethylornithine; eflornithine |
| DFO-B | deferoxamine |
| DFS | disease-free survival; relapse-free survival |
| DHAC | dihydro-5-azacytidine |
| dHACM | dehydrated human amnion/chorion membrane |
| DHAD | mitoxantrone hydrochloride |
| DHA-TAX | DHA-paclitaxel |
| DHE | porfimer sodium |
| DHEA | dehydroepiandrosterone; prasterone |
| DHHS | Department of Health and Human Services |
| DHL | double-hit lymphoma |
| DHPLN | diffuse hyperplastic perilobar nephroblastomatosis |
| DHT | androstanolone; dihydrotestosterone |
| DIC | dacarbazine |
| DI-Leu16-IL-2 | DI-Leu16-IL2 immunocytokine |
| DIM | diindolylmethane; dimesna |
| DIN | ductal intraepithelial neoplasia |
| DIPG | diffuse intrinsic pontine glioma |
| DKC | dyskeratosis congenita |
| DMB | dimethylbusulfan |
| DMF | dimethyl fumarate |
| dMMR | deficient DNA mismatch repair; deficient mismatch repair; mismatch repair deficiency; MMR deficiency |
| dmPGE2 | 16,16-dimethyl prostaglandin E2 |
| DMS topical cream | derma-membrane-structure topical cream |
| DMSA | succimer |
| DMSO | dimethyl sulfoxide |
| DMXAA | vadimezan |
| DNA | deoxyribonucleic acid |
| DNMT inhibitor SGI-110 | guadecitabine |
| DNP | dinitrophenyl |
| DNR | daunorubicin |
| DNR NPC-specific CTL | DNR-expressing nasopharyngeal carcinoma-specific cytotoxic T lymphocytes |
| DOI | diffuse optical imaging |
| DON | diazooxonorleucine |
| DOT | diffuse optical tomography |
| DOX-MTC | doxorubicin-magnetic targeted carrier complex |
| DOXO-EMCH | aldoxorubicin |
| doxorubicin HCl liposome | pegylated liposomal doxorubicin hydrochloride |
| DP | dipyridamole |
| DPA | durable power of attorney |
| D-PACE | DPACE regimen |
| DPCP | diphencyprone |
| DR4 | death receptor 4; TRAIL receptor 1; tumor necrosis factor receptor superfamily member 10A |
| DR5 | death receptor 5; TRAIL receptor 2; tumor necrosis factor receptor superfamily member 10B |
| DRE | digital rectal examination |
| DRI | Dietary Reference Intakes |
| DS | digestible starch; disulfiram |
| DSG | gusperimus |
| DSMB | Data and Safety Monitoring Board |
| DT | diphtheria toxoid/tetanus toxoid vaccine adsorbed |
| DTaP | diphtheria toxoid/tetanus toxoid/acellular pertussis vaccine adsorbed |
| DTG | dolutegravir |
| DTH | delayed-type hypersensitivity response |
| DThyd | thymidine |
| DT-LM | docetaxel lipid microspheres |
| DTP-GDP | disaccharide tripeptide glycerol dipalmitoyl |
| DTX-HSA | nanoparticle albumin-bound docetaxel |
| DTX-LNS | nanosomal docetaxel lipid suspension |
| DVT | deep vein thrombosis |
| DX-8951f | exatecan mesylate |
| DXA | BMD scan; bone densitometry; bone mineral density scan; DEXA scan; dual energy x-ray absorptiometry |
| DXM | dextromethorphan hydrobromide |