| C&S | Culture And Sensitivity | - | Medical(slang) |
| C&S | Culture And Sensitivity | - | Medical(slang) |
| C/O | Complains Of | - | Medical(slang) |
| CA | Calcium | - | Medical(slang) |
| CABA | Complaints Of | - | Medical(slang) |
| CABG | Coronary Artery Bypass Graft | - | Medical(slang) |
| CAD | Coronary Artery Disease | - | Medical(slang) |
| CAOX4 | Conscious | - | Medical(slang) |
| CAPD | Continuous Ambulatory Peritoneal Dialysis | - | Medical(slang) |
| CAT | Computerized Tomography Scan | - | Medical(slang) |
| CBC | Complete Blood Count | - | Medical(slang) |
| CBD | Common Bile Duct | - | Medical(slang) |
| CBD | Common Bile Duct | - | Medical(slang) |
| CBE | Clinical Breast Examination | - | Medical(slang) |
| CBG | Capillary Blood Glucose | - | Medical(slang) |
| CBI | Continuous Bladder Irrigation | - | Medical(slang) |
| CBS | Capillary Blood Sugar | - | Medical(slang) |
| CC | Chief Complaint | - | Medical(slang) |
| CCK | Cholecystokinin | - | Medical(slang) |
| CCPD | Continuous Cyclic Peritoneal Dialysis | - | Medical(slang) |
| CEA | Cultured Epithelial Autograft | - | Medical(slang) |
| CFT | Complement-fixation Test | - | Medical(slang) |
| CHD | Coronary Heart Disease | - | Medical(slang) |
| CHF | Congestive Heart Failure | - | Medical(slang) |
| CI | ContraIndications | - | Medical(slang) |
| CID | Cervical Immobilization Device | - | Medical(slang) |
| CIN | Cervical Intraepithelial Neoplasm | - | Medical(slang) |
| CL | Cleft Lip | - | Medical(slang) |
| CMS | Circulation | - | Medical(slang) |
| CNS | Central Nervous System | - | Medical(slang) |
| CO | Cardiac Output | - | Medical(slang) |
| COAD | Chronic Obstructive Airways Disease | - | Medical(slang) |
| COPD | Chronic Obstructive Pulmonary Disease | - | Medical(slang) |
| COPD | Chronic Obstructive Pulmonary Disease | - | Medical(slang) |
| CP | Chest Pain | - | Medical(slang) |
| CPAP | Continuous Positive Airway Pressure | - | Medical(slang) |
| CPD | Cephalo-pelvic Disproportion | - | Medical(slang) |
| CPP | Cerebral Perfusion Pressure | - | Medical(slang) |
| CPPD | Chest Percussion And Post Drainage | - | Medical(slang) |
| CPR | Chronic Obstructive Airway Disease | - | Medical(slang) |
| CRF | Chronic Renal Failure | - | Medical(slang) |
| CRRT | Continuous Renal Replacement Therapy | - | Medical(slang) |
| CRT | Capillary Refill Time | - | Medical(slang) |
| CSF | Cerebrospinal Fluid | - | Medical(slang) |
| CSF | Cerebrospinal Fluid | - | Medical(slang) |
| CT | Chest Tube | - | Medical(slang) |
| CTD | Close To Death | - | Medical(slang) |
| CVA | Cerebral Vascular Accident | - | Medical(slang) |
| CVP | Central Venous Pressure | - | Medical(slang) |
| CX | Cervix | - | Medical(slang) |
| CXR | Chest X-ray | - | Medical(slang) |
