| BCh | Bachelor of Surgery [Lat. Baccalaureus Chirurgiae] |
|---|---|
| BChD | Bachelor of Dental Surgery |
| BCHE | butyrylcholinesterase |
| BChir | Bachelor of Surgery [Lat. Baccalaureus Chirurgiae] |
| Bchl, bChl | bacterial chlorophyll |
| BCHS | Bureau of Community Health Services |
| BCI | behavioral cues index; brain-computer interface |
| BCIA | Biomedical Clinical Instrumentation Association |
| BCIP | 5-bromo-4-chloro-3-inodolyl phosphate |
| BCKA | branched-chain keto acid |