| CI-S | calculus index, simplified |
|---|---|
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| ERBD | Endoscopic Retrograde Bile(Biliary) Drainage |
| HBUS | Hepato-Biliary Ultra-Sound |