| C 3 Komplement | Zentrallabor | |
| C 4 Komplement | Zentrallabor | |
| C-reaktives Protein (CRP) | Zentrallabor | |
| C-reaktives Protein (CRP) (CDK) | CDK Zentrallabor | |
| Candida albicans / FEIA | Dermatologie | |
| Candida albicans PCR im Harn | Kinderklinik | |
| Candida albicans-PCR in anderem Material | Kinderklinik | |
| Cashewnuß / FEIA | Dermatologie | |
| Cashewnusskomponente rAna o 3 / FEIA | Dermatologie | |
| Cefaclor / FEIA | Dermatologie | |
| Champignon / FEIA | Dermatologie | |
| Cheddarkäse / FEIA | Dermatologie | |
| Chilipfeffer / FEIA | Dermatologie | |
| Chlorhexidine / FEIA | Dermatologie | |
| Cladosporium herbarum / FEIA | Dermatologie | |
| Cranberry / FEIA | Dermatologie | |
| Curry / FEIA | Dermatologie | |
| Cytomegalie-IgG-Antikörper | Zentrallabor | |
| Cytomegalie-IgM-Antikörper | Zentrallabor | |
| Cytomegalie-Virus PCR and. Material | Zentrallabor | |