Test Code Test Name
CARD Advanced Lipid Panel, Cardio IQ®
BMP Basic Metabolic Panel (Chemistry 7)
C1 C1 Esterase Inhibitor, Protein
C3 C3 (Complement), Serum
C4 C4 (Complement), Serum
CA153 CA 15-3
CA2729 CA 27.29
CALCI Calcitonin
VITD12 Calcitriol 1,25-Dihydroxyvitamin D
FLCA Calcium, Body Fluid
CAION Calcium, Ionized, Blood
CA Calcium, Plasma
UCA Calcium, Random, Urine
TUCA Calcium, Timed, Urine
CALP Calprotectin, Stool
CA125 Cancer Antigen 125 (CA 125), Serum
UTHC Cannabinoids, Urine
CA199 Carbohydrate Antigen 19-9 (CA 19-9), Serum
CO2 Carbon Dioxide (CO2), Plasma
CEA Carcinoembryonic Antigen (CEA), Serum
CAR Cardio IQ® Lipoprotein Fractionation, Ion Mobility
LPP Cardio IQ® Lp-PLA2 Activity
CARLIP Cardiolipin Antibodies  (IgA, IgG, IgM)
CASH Cashew Nut (f202) IgE [2608X]
CATF24 Catecholamines, Fractionated, 24-Hour Urine (without Creatinine) [318X]
CATPL Catecholamines, Fractionated, Plasma [314X]
CDIFFA CDIFF AG/TOXIN
CEAC CEA, Carcinoembryonic Antigen, Pancreatic Cyst Fluid
CEAP CEA, Peritoneal Fluid
CEL Celiac Disease Comprehensive Panel
FLCC Cell Count, Body Fluid
CSFCC Cell Count, Spinal Fluid
DIFFO CELL DIFF OTHER
CENT Centromere Antibodies, IgG, Serum
CERU Ceruloplasmin
NEOCH Chemistry Panel, Neonatal
CTNG Chlamydia/Neisseria gonorrhoeae RNA, TMA, Urogenital
FLCL Chloride, Body Fluid
CL Chloride, Plasma
UCL Chloride, Random, Urine
TUCL Chloride, Timed, Urine
HDLC Cholesterol HDL, Plasma
FLCHOL Cholesterol, Body Fluid
CHOL Cholesterol, Total, Plasma
CHRO Chromium, Blood
CHROS Chromium, Serum
CHR Chromogranin A, LC/MS/MS
ARRAYC Chromosomal Microarray, Postnatal, ClariSure® Oligo-SNP
CHROM Chromosome Analysis, Blood
POC Chromosome Analysis, Tissue
CITRIC Citric Acid, 24-Hour Urine without Creatinine
CLA Clam (f207) IgE [8929X]
CDIFFDNA Clostridium difficile Toxin, Molecular Detection by PCR, Stool
CLZ Clozapine
F8 Coagulation Factor VIII, Plasma
COAGP Coagulation Profile
COB Cobalt, Blood
COBLTS Cobalt, Serum/Plasma
COLD Cold Hemagglutinins
NTXQ Collagen Cross-Linked N-Telopeptide (NTx), Urine
CTBXBQ Collagen Type I C-Telopeptide (CTx)
CH50 Complement, Total (CH50)
CBC Complete Blood Count (CBC)
CMP Comprehensive Metabolic Panel (Chemistry 12)
COP Copper
UCOP Copper, 24-Hour Urine
UCORT Cortisol, Free, 24-Hour Urine with Creatinine, LC/MS/MS
CORT Cortisol, Serum
CORTSTIM Cortrosyn Stimulation, Plasma and Serum
MILK Cow's Milk (f2) IgE [2802X]
CPEP C-Peptide
CRAB Crab (f23) IgE [2823X]
HSCRP C-Reactive Protein (CRP), Cardio High Sensitivity, Plasma
CRP C-Reactive Protein (CRP), Qualitative Only, Plasma
CKMB Creatine Kinase (CK) MB, Quantitative, Plasma
CK Creatine Kinase, Total, Plasma
CRCL Creatinine Clearance
FLCR Creatinine, Body Fluid
CR Creatinine, Plasma
UCR Creatinine, Random, Urine
TUCR Creatinine, Timed, Urine
CRYOP Cryoglobulin and Cryofibrinogen Panel, Serum and Plasma
CRYOG Cryoglobulin, Serum 
FLCRY Crystals, Fluid
CUF CULTURE FLUID
CUB Culture, Blood
CUFUN Culture, Fungus, Blood
CUGC Culture, GC Screen
CUGEN Culture, Genital
CULESV Culture, Lesion, Viral
CUSUR Culture, Surgical
CUURV Culture, Upper Respiratory Virus
CULRV Culture, Virus, Respiratory
CCP Cyclic Citrullinated Peptide Antibodies, IgG, Serum
CYC Cyclospora and Isospora Examination [10018X]
CYCLO Cyclosporine, Blood
CYSTC Cystatin C with Glomerular Filtration Rate, Estimated (eGFR)
CF Cystic Fibrosis Screen
CYTOL Cytology
CMVIGG Cytomegalovirus Antibody (IgG)
CMVM Cytomegalovirus Antibody (IgM)
CMVC Cytomegalovirus DNA, Qualitative Real-Time PCR
CMVD Cytomegalovirus DNA, Quantitative, Real-Time PCR
CMVQS Cytomegalovirus Molecular Diagnosis, PCR, Varies
25 Cytopathology, Body Cavity Fluid
26 Cytopathology, Breast Nipple Secretion
28 Cytopathology, Chlamydia trachomatis
29 Cytopathology, Fine-Needle Aspirate (FNA)
30 Cytopathology, Gastrointestinal
31 Cytopathology, Human Papillomavirus (HPV)
32 Cytopathology, Neisseria gonorrhea
33 Cytopathology, Pap Smear, Conventional
2 Cytopathology, Pulmonary
27 Cytopathology, Spinal Fluid
3 Cytopathology, SurePath Liquid-Based Pap Test
4 Cytopathology, SurePath Liquid-Based Pap Test with Reflex to Human Papillomavirus (HPV) DNA Probe, High-Risk
5 Cytopathology, Synovial Fluid
6 Cytopathology, ThinPrep, Imaged Guided, Pap Test
7 Cytopathology, ThinPrep, Imaged Guided, Pap Test with Reflex to Human Papillomavirus (HPV) DNA Probe, High-Risk
8 Cytopathology, Tzanck Smear
9 Cytopathology, Urologic
ENTE Enterovirus, Molecular Detection, PCR, Plasma
PRU P2Y12
PROTC Protein C Activity, Plasma