| CHRAF | Chromosome Analysis, Amniotic Fluid Mayo Clinic Laboratories in Rochester | 
      
        | CHRCB | Chromosome Analysis, Congenital Disorders, Blood Mayo Clinic Laboratories in Rochester | 
      
        | CHRHB | Chromosome Analysis, Hematologic Disorders, Blood Mayo Clinic Laboratories in Rochester | 
      
        | CHRBM | Chromosome Analysis, Hematologic Disorders, Bone Marrow Mayo Clinic Laboratories in Rochester | 
      
        | FCHYS | Chymotrypsin, Stool Quest Diagnostics Nichols Institute | 
      
        | CINN | Cinnamon, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | FCQBA | Circulating Immune Complex, C1q Binding ARUP Laboratories | 
      
        | FCIC | Circulating Immune Complexes (CIC) IMMCO Diagnostics, Inc. | 
      
        | CKCKMB | CK TOTAL AND CKMB United Health Services Laboratories | 
      
        | CKMB | CKMB United Health Services Laboratories | 
      
        | CLAD | Cladosporium, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CLAM | Clam, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CZPS | Clonazepam and 7-Aminoclonazepam, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CLZ | Clozapine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PCRUS | CMV PCR (UPSTATE) United Health Services Laboratories | 
      
        | CDS1 | CNS Demyelinating Disease Evaluation, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CO2 | CO2 TOTAL United Health Services Laboratories | 
      
        | F_2 | Coagulation Factor II Activity Assay, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | COS | Cobalt, Serum Mayo Clinic Laboratories in Rochester | 
      
        | FCOKE | Cocaine Analysis - Whole Blood Medtox Laboratories, Inc. | 
      
        | COKEU | Cocaine and Metabolite Confirmation, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | COXIS | Coccidioides Antibody Screen with Reflex, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CBUR | Cocklebur, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | COCR | Cockroach, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CCNT | Coconut, IgE, Serum Mayo Clinic Laboratories in Rochester |