| Acronym | Meaning |
| BBS | Bilateral Breath Sounds |
| BE | Barium Enema |
| BG | Blood Glucose |
| BGL | Blood Glucose Level |
| BI | Brain Injury |
| BID | Twice A Day |
| BILAT | Bilateral |
| BILAT | Bilateral |
| BM | Bowel Movement Or Breast Milk |
| BMI | Body Mass Index |
| BP | Blood Pressure |
| BPH | Benign Prostatic Hypertrophy |
| BPV | Benign Positional Vertigo |
| BRM | Biologic Response Modifiers |
| BRP | Bathroom Privileges |
| BRT | Body Restorative Therapy |
| BS | Bowel Sounds |
| BSA | Body Surface Area |
| BSA | Body Surface Area |
| BSE | Breast Self Examination |
| BSI | Bodily Substance Isolation |
| BSL | Blood Sugar Level |
| BT | Bowel Tones |
| BUN | Blood Urea Nitrogen |
| BZD | BenZoDiazepine |
| C&S | Culture And Sensitivity |
| C&S | Culture And Sensitivity |
| C/O | Complains Of |
| CA | Calcium |
| CABA | Complaints Of |
| CABG | Coronary Artery Bypass Graft |
| CAD | Coronary Artery Disease |
| CAOX4 | Conscious |
| CAPD | Continuous Ambulatory Peritoneal Dialysis |
| CAT | Computerized Tomography Scan |
| CBC | Complete Blood Count |
| CBD | Common Bile Duct |
| CBD | Common Bile Duct |
| CBE | Clinical Breast Examination |
| CBG | Capillary Blood Glucose |
| CBI | Continuous Bladder Irrigation |
| CBS | Capillary Blood Sugar |
| CC | Chief Complaint |
| CCK | Cholecystokinin |
| CCPD | Continuous Cyclic Peritoneal Dialysis |
| CEA | Cultured Epithelial Autograft |
| CFT | Complement-fixation Test |
| CHD | Coronary Heart Disease |
| CHF | Congestive Heart Failure |
| CI | ContraIndications |