| BTS | blood transfusion service; blue toe syndrome; bradycardia-tachycardia syndrome |
|---|---|
| BTV | blue tongue virus |
| CBBM | color blindness, blue mono-cone-monochromatic type |
| CMB | carbolic methylene blue; Central Midwives' Board; chloromercuribenzoate |
| CT-1824 | T-1824 (Evans blue) clearance |