| CLD | Chronic liver disease |
|---|---|
| CLDM | Clindamycin |
| CLDR | continuous low dose rate |
| CldUrd | 5-chloro-2'-deoxyuridine |
| CLE | Columnar-lined esophagus |
| CLE | Congenital lobar emphysema |
| CLEK | Collaborative Longitudinal Evaluation of Keratoconus |
| CLEM | Conjugate Lateral Eye Movement |
| CLF | Cholyl lysylfluorescein |
| CLFS | Chronic low-frequency stimulation |