- 2019 Novel Coronavirus (COVID-19), NAA
- 2019 SARS-CoV-2 Antibody (COVID-19), IGG
- 2019 SARS-CoV-2 Antibody (COVID-19), IGM
- Candida Vaginosis and Trichomonas Vaginalis (CV/TV)
- C-Peptide
- C-Reactive Protein (CRP), Quantitative
- C1 Esterase Inhibitor Activity
- Calcium, Ionized (Serum)
- Calcium, Random Urine
- Calcium, Total
- Calprotectin, Fecal
- Calreticulin (CALR) Mutation Analysis
- Cancer Antigen (CA) 125
- Cancer Antigen (CA) 27.29
- Cannabinoid (THC) Confirmation, Urine
- Carbohydrate Antigen (CA) 19-9
- Carboxyhemoglobin (Forensic: Medicolegal death investigation)
- Carcinoembryonic Antigen (CEA)
- Cardiovascular Pathology
- Carnitine, Free and Total, Plasma
- CD4:CD8 Ratio Profile
- Celiac Disease Profile
- Cell Count, Synovial Fluid With Crystals
- Cell Culture: Solid Tissue Only
- Chlamydia Trachomatis and Neisseria Gonorrhoeae (CT/NG)
- Chloride
- Chloride, Random Urine
- Chromogranin A
- Chromosome Study: Chorionic Villi
- Chromosome Study: Neoplastic Lymphatic Tissue
- Chromosome Study: Neoplastic Marrow/Blood
- Chromosome Study: Neoplastic Solid Tumor
- Chromosome Study: Products of Conception
- Chromosome Study: Routine Peripheral Blood
- Chromosome Study: Solid Tissue (for Constitutional Congenital Studies)
- Clostridium difficile Toxins A and B, EIA
- Cocaine Metabolite Confirmation, Urine
- Complement C3, Serum
- Complement C4, Serum
- Complete Blood Count (CBC) with Platelet
- Complete Blood Count (CBC) with Platelet and Automated Differential
- Comprehensive Endocrine Autoantibodies Panel
- Comprehensive Metabolic Panel
- Cortisol
- Cortisol, AM
- Creatine Kinase, Total Serum
- Creatinine
- Creatinine – CREA
- Creatinine Clearance
- Creatinine, Random Urine
- Culture AFB with Stain
- Culture: Anaerobe (Includes Gram Stain)
- Culture: Biopsy/Tissue
- Culture: Body Fluid (Includes Gram Stain)
- Culture: Fungal (Skin, Hair or Nails)
- Culture: Wound
- Cyclosporine
- CYP2C19 Genotype (Cytochrome p450 2C19) for Drug Metabolism
- CYP2D6 Genotype (Cytochrome p450 2D6) for Drug Metabolism
- Cystic Fibrosis (CF) Profile, 32 Mutations, DNA Analysis
- Cytopathology
- Cytopathology: Anal
- Cytopathology: Body Cavity Fluid
- Cytopathology: Breast Nipple Secretion
- Cytopathology: Bronchoalveolar Lavage (BAL)
- Cytopathology: Cerebrospinal Fluid (CSF)
- Cytopathology: Corneal or Conjunctival Scraping
- Cytopathology: Fine Needle Aspiration (FNA)
- Cytopathology: Gastrointestinal
- Cytopathology: Oral
- Cytopathology: Pulmonary
- Cytopathology: Skin Scraping
- Cytopathology: Sputum
- Cytopathology: Urine and Bladder Washes and Brushings
- Cytopathology: Vitreous Fluid
