| Abbreviation | Definition |
|---|---|
| ADSA | Aging and Disability Services Administration |
| ADUFA | Animal Drug User Fee Act of 2003 |
| AdvaMed | Advanced Medical Technology Association |
| ADWOH | Average Day's Work On Hand |
| AE | Adverse Event |
| AE | Approvable, but not yet approved |
| AE(s) | adverse event(s) |
| AEA | Actual Expense Allowance |
| AED | Anti-Epileptic Drug |
| AER | Adverse Event Report |
| AERS | Adverse Event Reporting System |
| AF | Administrative File |
| AF | Atrial Fibrillation |
| AFAB | Absorbable Fibrin Adhesive Bandage |
| AFC | Adult Foster Care |
| AFDO | Association of Food and Drug Officials |
| AFIA | American Feed Industry Association |
| AFIP | Armed Forces Institute of Pathology |
| AFIP | Armed Forces Institute of Pathology (DoD) |
| AFP | Alpha-FetoProtein |