| CHRCB | Chromosome Analysis, Congenital Disorders, Blood Mayo Clinic Laboratories in Rochester | 
      
        | EOSFD | Chronic Eosinophilia Panel, Diagnostic FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | CIDP | Chronic Inflammatory Demyelinating Polyradiculoneuropathy/Nodopathy Evaluation, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CLLMD | Chronic Lymphocytic Leukemia (CLL) Monitoring Measurable/Minimal Residual Disease Detection, Flow Cytometry, Varies Mayo Clinic Laboratories in Rochester | 
      
        | CLLDF | Chronic Lymphocytic Leukemia, Diagnostic FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | CLLMF | Chronic Lymphocytic Leukemia, Specified FISH, Varies Mayo Clinic Laboratories in Rochester | 
      
        | CINN | Cinnamon, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CINPC | CINtec IHC Multiplex, PC (Bill Only) Mayo Clinic Laboratories in Rochester | 
      
        | FCIC3 | Circulating Immune Complex, C3 fragments ARUP Laboratories | 
      
        | FCIC | Circulating Immune Complexes (CIC) IMMCO Diagnostics, Inc. | 
      
        | CITR | Citrate Excretion, 24 Hour, Urine Mayo Clinic Laboratories in Rochester | 
      
        | Clam | Clam IgE Allergen (F207) WI Hospital - Medical Screening and Special Testing | 
      
        | CLD18 | Claudin 18 (CLDN18) (43-14A), Semi-Quantitative Immunohistochemistry, Manual Mayo Clinic Laboratories in Rochester | 
      
        |  | Clinical Updates WI Hospital | 
      
        | CLOBZ | Clobazam and Metabolite, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CLOM | Clomipramine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CZPS | Clonazepam and 7-Aminoclonazepam, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CDIFS | Clostridioides difficile Culture with Antimicrobial Susceptibilities, Varies Mayo Clinic Laboratories in Rochester | 
      
        | EIACD | Clostridioides difficile Toxin, EIA, Feces Mayo Clinic Laboratories in Rochester | 
      
        | CLOV | Clove, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CLZ | Clozapine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | CMP | CMP - Comprehensive Metabolic Panel WI Hospital - Chemistry | 
      
        | CDS1 | CNS Demyelinating Disease Evaluation, Serum Mayo Clinic Laboratories in Rochester | 
      
        | F_2 | Coagulation Factor II Activity Assay, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | F_9 | Coagulation Factor IX Activity Assay, Plasma Mayo Clinic Laboratories in Rochester |