| Abbreviation | Definition |
|---|---|
| BLS | barbaric life support (medical slang) |
| BLS | bare lymphocyte syndrome |
| BLS | big liver and spleen* |
| BLS | blind loop syndrome |
| BLS | blood and lymphatic system |
| BM | Bureau of Medicine |
| BMA | Brugia malayi antigen |
| BMAAS | Birmingham Memory Assessment & Advisory Service |
| BMAT | BioMedical Admissions Test |
| BMBSXX | Bachelor of Medicine/Bachelor of Surgery |
| BMCIS | Building Maintenance Cost Information System |
| BME | benign myoclonic epilepsy |
| BME | beta-mercaptoethanol |
| BME | bone marrow examination |
| BMedBiolXX | Bachelor of Medical Biology |
| BMedSciXX | Bachelor of Medical Science |
| BMER | Black Minority Ethnic and Refugee |
| BMI | biomedical informatics |
| BMI | bone marrow infiltration |
| BMI | bone marrow involvement |