| Abbreviation | Definition |
|---|---|
| ATS | Applied Technologies Staff |
| ATS(CDER) | Applied Technologies Staff (CDER) |
| AUA | Agency for Healthcare Research and Quality |
| AUC | Area Under the Curve |
| AV | Atrio-Ventricular |
| A-V | Arterio-Venous |
| AVA | American Veal Association |
| AVDA | American Veterinary Distributors Association |
| AVEG | AIDS Vaccine Evaluation Group |
| AVMA | American Veterinary Medical Association |
| A-VO2 | Arterio-Venous Oxygen |
| AWC | adequate and well-controlled |
| AWP | Average Wholesale Price |
| AWS | Alternate Work Schedule |
| B&F | Budget and Finance |
| B&F(CVM) | Budget and Finance Team (CVM) |
| BA/BE | Bio-Availability/Bio-Equivalence |
| BAC | Billing Agency Code |
| BaCON | Bacterial CONtamination |
| BACPAC | Bulk ACtivities Post-Approval Changes |