| Clostridium difficile enrichment modified broth | 04260760133707 | Class A | |
| Clostridium difficile (modified) agar (CCFA (mod)) | 04260760132656 | Class A | |
| Coagulase plasma | 04260760135701 | Class A | |
| Coagulase plasma | 04260760135718 | Class A | |
| Colistin oxolinic-acid blood agar | 04260760130188 | Class A | |
| Colistin oxolinic-acid blood agar | 04260760130805 | Class A | |
| Columbia agar + 5% sheepblood | 04260760130003 | Class A | |
| Columbia agar + 5% sheepblood | 04260760130041 | Class A | |
| Columbia agar + 5% sheepblood/aztreonam/colistin | 04260760130027 | Class A | |
| Columbia agar + 5% sheepblood/gentamicin (5mg/l) | 04260760130348 | Class A | |
| Columbia agar + 5% sheepblood/tween80 | 04260760130171 | Class A | |
| Columbia Agar Base | 04260760134322 | Class A | |
| Columbia Blood Agar | 04260760134339 | Class A | |
| Columbia broth Gentamycin | 04260760134315 | Class A | |
| Corn Meal Agar | 04260760134346 | Class A | |
| Corn meal agar + dextrose pH7.0 | 04260760133097 | Class A | |
| Corn meal agar + dextrose/tween80 | 04260760132342 | Class A | |
| Corn meal agar + glucose (slanted) | 04260760133806 | Class A | |
| Corn meal agar pH7.0 | 04260760133059 | Class A | |
| Corn meal agar pH7.0 (slanted) | 04260760133172 | Class A | |
| Corn meal agar + tween80 pH7.0 (slanted) | 04260760133516 | Class A | |
| Czapek Dox agar (modified) (CDA (mod)) | 04260760132861 | Class A | |
| Decarboxylase medium (Moeller) + lysine | 04260760133165 | Class A | |
| Decarboxylase medium (Moeller) + ornithine | 04260760133219 | Class A | |
| Dentaid agar | 04260760133592 | Class A | |