| Test Name (Click to sort by popular result) | COE Code |
| D-Dimer, Advanced | ADV DIMER |
| DNA Antibody, Double-Stranded | ADNA |
| DNA Antibody, Double-Stranded, Crithidia Substrate | DNAIFA |
| DNA Antibody, Single-Stranded | SL MISC |
| DNA Banking | DBANKS |
| DRPLA Gene Analysis | ML MISC |
| Dehydroepiandrosterone | DHEA |
| Dehydroepiandrosterone Sulfate | DHEAS |
| Dengue Fever Antibody, IgG & IgM | ML MISC |
| Dermatophyte Culture | DERM |
| Desipramine | DESI |
| Desmoglein 1 (DSG1) and 3 (DSG3), Serum | ML MISC |
| Diazepam and Nordiazepam, Serum | DIA |
| Digitoxin | DGTX |
| Digoxin | DX |
| Dihydrotestosterone | DHTS |
| Dilute Russell's Viper Venom Test | DRVVT |
| Diphtheria Culture | ML MISC |
| Diphtheria Toxoid IgG Antibody | DIP |
| Direct Antiglobulin Test Only | DAT |
| Direct Antiglobulin Test, Complete Study | DAT |
| Disaturated Phosphatidyl Choline | ML MISC |
| Disopyramide, Plasma | DISOP |
| Disseminated Intravascular Coagulation (DIC) Panel | DIC |
| Diuretics Screen, Qualitative, Urine | ML MISC |
| Donath Landsteiner Test | ML MISC |
| Doxepin | DXPN |
| Drug Screen, Comprehensive, Urine | DRUG COMP |
| Drug Screen, Meconium | MECO |
| Drug Screen, Preliminary, Urine | DRUG 6 |
| Drug Screen, Serum | BLD SCN |
| Drug Screen, Unidentified or Miscellaneous Substance | DRUG Q |