| Abbreviation | Definition |
|---|---|
| BCS | breast-conserving surgery |
| BCS | British Cardiac Society |
| BCS | Budd-Chiari syndrome |
| BCSH | British Committee for Standards in Haematology |
| BCSP | Bavarian Cholesterol Screening Project |
| BCSP | Bowel Cancer Screening Programme |
| BCVP | BCNU, cyclophosphamide, vincristine, prednisone, a chemotherapy regimen |
| BCVP-bleo | BCNU, cyclophosphamide, vinblastine, procarbazine, bleomycin, a chemotherapy regimen. |
| BDA | balloon dilation angioplasty |
| BDA | beclomethosone diproprionate aerosol |
| BDA | biotinylated dextran amine |
| BDA | British Deaf Association |
| BDA | British Diabetic Association, bow called Diabetes UK |
| BDA | British Dietetic Association |
| BDA | British Dyslexia Association |
| BDAT | British Doctors Aspirin Trial |
| BDD | balanced deficit |
| BDD | brain dead donor |
| BDentSci | Bachelor of Dental Science |
| BDPA | Bureau of Drug Policy and Administration |