| 16680-1 | Coxsackievirus A IgG Ab | MICRO |
| 16681-9 | Coxsackievirus A IgM Ab | MICRO |
| 16682-7 | Coxsackievirus A2 Ab (CSF) | MICRO |
| 16683-5 | Coxsackievirus A4 Ab (CSF) | MICRO |
| 16684-3 | Coxsackievirus B Ab | MICRO |
| 16685-0 | Coxsackievirus B IgG Ab (neutralization test) | MICRO |
| 16686-8 | Coxsackievirus B IgM Ab (neutralization test) | MICRO |
| 16687-6 | Creatine in Vitreous fluid | CHEM |
| 16688-4 | Creatine kinase (Body Fluid) | CHEM |
| 16689-2 | Creatinine in 48 hour Urine | CHEM |
| 1669-1 | 17-Hydroxyprogesterone | CHEM |
| 16690-0 | Creatinine in 72 hour Urine | CHEM |
| 16691-8 | Cresols in Specimen | DRUG/TOX |
| 16692-6 | Cryptococcus sp Ag (Body Fluid, qualitative) | MICRO |
| 16693-4 | Cryptococcus sp Ag (Urine, qualitative) | MICRO |
| 16694-2 | Cumene (Blood, qualitative) | DRUG/TOX |
| 16695-9 | Cobalamin (Vitamin B12) (Blood) | CHEM |
| 16696-7 | Cobalamin (Vitamin B12) --post XXX challenge (Urine) | CHAL |
| 16697-5 | Cyclohexane (Blood, qualitative) | DRUG/TOX |
| 16698-3 | Cyclohexanol (Blood) | DRUG/TOX |
| 16699-1 | Cyclohexanol (Urine) | DRUG/TOX |
| 167-7 | Cephapirin (serum bactericidal titer) | ABXBACT |
| 1670-9 | 17-Hydroxyprogesterone (Urine) | CHEM |
| 16700-7 | Cyclohexanol/Creatinine (Urine) | DRUG/TOX |
| 16701-5 | Cyclopropane (Blood, qualitative) | DRUG/TOX |
| 16702-3 | cycloSERINE (Urine) | DRUG/TOX |
| 16703-1 | cycloSPORINE | DRUG/TOX |
| 16704-9 | Cyproheptadine | DRUG/TOX |
| 16705-6 | Cystathionine (Urine, qualitative) | CHEM |
| 16706-4 | Taenia solium larva IgM Ab (CSF) | MICRO |
| 16707-2 | Taenia solium larva IgM Ab | MICRO |
| 16708-0 | Taenia solium larva Ab (CSF) | MICRO |
| 16709-8 | Cystine (Urine) | CHEM |
| 1671-7 | 17-Ketogenic steroids (Blood) | CHEM |
| 16710-6 | Cystine crystals in Stone (qualitative, infrared spectroscopy) | CHEM |
| 16711-4 | Cystine+Homocystine (Urine, qualitative) | CHEM |
| 16712-2 | Cytomegalovirus Ab (Body Fluid) | MICRO |
| 16713-0 | Cytomegalovirus Ab (CSF) | MICRO |
| 16714-8 | Cytomegalovirus Ab (latex agglutination) | MICRO |
| 16715-5 | Cytomegalovirus IgG Ab (immunofluorescence) | MICRO |
| 16716-3 | Cytomegalovirus IgG Ab (immunoassay --2nd specimen) | MICRO |
| 16717-1 | Cytomegalovirus Ag (Urine, qualitative, immunoassay) | MICRO |
| 16718-9 | Cytomegalovirus Ag (Blood, qualitative) | MICRO |
| 16719-7 | Cytomegalovirus inclusion bodies (Urine, qualitative, microscopic observation) | MICRO |
| 1672-5 | 17-Ketogenic steroids (Blood) | CHEM |
| 16720-5 | Dechlorane (Blood, qualitative) | DRUG/TOX |
| 16721-3 | Dehydroepiandrosterone sulfate (DHEA-S) (oral fluid) (Saliva) | CHEM |
| 16722-1 | Dehydroepiandrosterone sulfate (DHEA-S) --10th specimen post XXX challenge | CHAL |
| 16723-9 | Dehydroepiandrosterone sulfate (DHEA-S) --2nd specimen post XXX challenge | CHAL |
| 16724-7 | Dehydroepiandrosterone sulfate (DHEA-S) --3rd specimen post XXX challenge | CHAL |