| DAST | drug abuse screening test; drug and alcohol screening test |
|---|---|
| DAUs | drug abuse testing and urines |
| DAWN | Drug Abuse Warning Network |
| IVDA/IVDU | intravenous drug abuse/ abuser; intravenous drug use/user |
| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |