| CFCs | Chloro-Fluoro-Carbons |
|---|---|
| CFD | cephalofacial deformity; craniofacial dysostosis |
| CFDS | craniofacial dyssynostosis |
| CFDU | color-flow Doppler ultrasonography; color flow Doppler ultrasound |
| CFF | critical flicker fusion [test]; critical fusion frequency; cystic fibrosis factor; Cystic Fibrosis Foundation |
| cff | critical flicker fusion; critical fusion frequency |
| CFFA | cystic fibrosis factor activity |
| CFH | complement factor H; Council on Family Health |
| CFHL | complement factor H-like [protein] |
| CFHP | Council on Federal Health Programs |