Lab Test Directory—Saint Luke's Regional Laboratories
| CITRATE RN U | Citrate, Random Urine |
| REF MISC | Clobazam |
| CLOMIPRAM | Clomipramine |
| CLONAZ | Clonazepam |
| C DIFF PCR | Clostridioides difficile, Toxin B, PCR, Feces |
| COAG SCR | Clotting Screen |
| CLOZAPINE | Clozaril/Clozapine |
| CMV IGG | CMV Antibodies, IgG Only, Serum |
| CMV IGM | CMV Antibodies, IgM Only, Serum |
| CMV CSF | CMV IgG and IgM, CSF |