| Abbreviation | Definition |
|---|---|
| DI | Direct Inject |
| DIC | Disseminated intravascular coagulation |
| diff | differential |
| DIL | Dimensional Inspection Laboratories |
| DIN | Doctor's Independent Network |
| DITL | Disease Intervention Technology Laboratory |
| DIW | Dextrose In Water |
| DKML | Dynacare Kasper Medical Laboratories |
| DL | Development Laboratory |
| DLA | Deoxycholate Lactose Agar |
| DLAM | Division of Laboratory and Animal Medicine |
| DLAR | Department of Laboratory Animal Resources |
| DLAR | Division of Laboratory Animal Resources |
| DLCD | Division of Laboratories and Criteria Development |
| DLDD | Dutch Laboratory on Drugs and Doping |
| DLF | Direct Lytic Factor |
| DLI | Design Laboratory Inc |
| DLIS | Digoxin Like Immunoreactive Substance |
| DLJ | Defence Laboratory Jodhpur |
| DLN | DoD Laboratory Network |