| CHI | closed head injury; creatinine height index |
|---|---|
| CHU | closed head unit |
| CRPF | chloroquine-resistant Plasmodium falciparum; closed reduction and percutaneous fixation; contralater... |
| CT | calcitonin; calf testis; cardiac tamponade; cardiothoracic [ratio]; carotid tracing; carpal tunnel; ... |
| CTSS | cathepsin S; closed tracheal suction system |