| Clonazepam | Zentrallabor LKH | |
| Clomipramin & Metabolit Norclomipramin | Zentrallabor LKH | |
| Citalopram & Metabolit Desmethylcitalopram | Zentrallabor LKH | |
| Clozapin & Metabolit Desmethylclozapin | Zentrallabor LKH | |
| Cannabis im Urin | Zentrallabor LKH | |
| Chlorprothixen | Zentrallabor LKH | |
| Clomethiazol | Zentrallabor LKH | |
| Cariprazin | Zentrallabor LKH | |
| Chlorpromazin | Zentrallabor LKH | |
