| CSU | casualty staging unit; catheter specimen of urine; central statistical unit; clinical specialty unit... |
|---|---|
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| CL | VOID clean voided specimen [urine] |
| CUS | carotid ultrasound examination; catheterized urine specimen; contact urticaria syndrome |