Test Description
Carcinoembryonic Antigen (CEA)
Test Details
Process time: 5 to 7 business days
Process method: The methodology is by Microparticle Enzyme Immunoassay (MEIA) technology.
CPT code: 82378
Special instructions: Note whether patient is a smoker
Rejection causes: Gross Hemolysis
Collection Instructions
Patient prep: None
Specimen volume: 0.5 mL serum
Minimum volume: 0.2 mL
Collection container: SST or red-stopper tube
Transport container: Plastic transport tube
Transport instructions: Refrigerate or freeze
Collection instructions: Click here for PDF
Results
Normal values:
Nonsmoker = 0.0 to 3.0 ng/mL
Smokers = 0.0 to 5.0 ng/mL
References
Reference one: Krupely, J., Gold, P., Freedman, S.O. Demonstration of Tumor-Specific Antigen of Human Digestive System. J Exp Med 1968;183:387.
Reference two: Hansen, H.J., et al. Solving the Problem of Antibody Interference in Commercial "Sandwich"-Type Immunoassays of CEA. Clin. Chem. 1985;35:146.
Reference three: Martin, E.W., James, K.K., Hurtubise, P.E., et al.The Use of CEA as an Early Indicator for Gastrointestinal Tumor Recurrance and Second-Look Procedures, Cancer, 1977, 39(2):440-6.
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