| CC&C | colony count and culture |
|---|---|
| CCF | cancer coagulation factor; cardiolipin complement fixation; carotid-cavernous fistula; centrifuged c... |
| CFS | cancer family syndrome; Chiari-Frommel syndrome; chronic fatigue syndrome; craniofacial stenosis; cr... |
| CFU-C | CFUC colony-forming unit, culture |
| CPTN | culture-positive toxin-negative |