| DNA | Deoxyribo-Nucleic Acid |
|---|---|
| AAC | antibiotic-associated [pseudomembranous] colitis; antimicrobial agent-induced colitis; augmentative ... |
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| ACG | accelerator globulin; alternative care grant; ambulatory care group; American College of Gastroenter... |
| ADFS | alternative delivery and financing system |