| Abbreviation | Definition |
|---|---|
| BICH | British Institute of Clinical Hypnotherapy |
| BIRO | Binocular Infrared Research Oculography |
| BJA | British Journal of Anaesthesia |
| BJCT | Biohouse Journal of Clinical Trials |
| BLAST | Basic Local Alignment Search Tool |
| BMD | Becker's muscular dystrophy |
| BOPO | Body Positivity |
| BPAN | Beta-propeller protein-associated neurodegeneration |
| BPD | Biparietal Diameter |
| BPM | beats per minute |
| Bra | Baseline Rate |
| BRCP | Biomedical Research and Clinical Practice |
| BS | Bloom's syndrome |
| BSCN | British Society for Clinical Neurophysiology |
| BSCR | Biomedical Science and Clinical Research |
| BSS | BrownSequard syndrome |
| BSS | Brown–Sequard syndrome |
| BXO | Balanitis Xerotica Obliterans |
| BZA | Bazedoxifene acetate |
| CAASD | Clinical Assurance and Administrative Support Division |