| CD44v | CD44 variant isoform |
|---|---|
| CD95L | CD95 ligand |
| CdA | 2'-chlorodeoxyadenosine |
| CDA | California Dental Association |
| CDA | Cold, dry air |
| CDA | Congenital dyserythropoietic anemia |
| CDA | Cytidine deaminase |
| CDA II | Congenital dyserythropoietic anaemia type II |
| CDAA | choline deficient L-amino acid defined |
| CDAD | C difficile-associated diarrhea |