| Abbreviation | Definition |
|---|---|
| BAER | Brief Adverse Event Report |
| BAH | Booz-Allen & Hamilton |
| BAM | Bacteriological Analytical Manual |
| BARC | Beltsville Area Agricultural Research Service |
| BARDA | Biomedical Advanced Research and Development Authority |
| BARQA | British Association of Research Quality Assurance |
| BARS | Business Analysis and Reporting Staff |
| BARS(CDER) | Business Analysis and Reporting Staff (CDER) |
| BASIS | Blood Availability and Safety Inventory System |
| BATF | Bureau of Alcohol, Tobacco, and Firearms |
| BB | Bureau of Biologics |
| BBB | Bundle Branch Block |
| BBIND | Biological-Based Investigational New Drug |
| BBR | Bureau of Biologics and Radiopharmaceuticals |
| BBS | Bulletin Board System |
| BC/BS | Blue Cross and Blue Shield |
| BCA | Blood Center of America |
| BCAA | branched-chain amino acids |
| BCB | Bioanalytical Chemistry Branch |
| BCB(CFSAN) | Bioanalytical Chemistry Branch (CFSAN) |