Test Code CEA Carcinoembryonic Antigen (CEA)
Specimen Required
Lithium Heparin Plasma Separator Tube (Green) or
Serum Separator Tube (Yellow)
CPT Code
82378
Specimen Handling and Storage
Handle and store specimens in stoppered containers to avoid contamination and evaporation.
Centrifuge specimen to remove the plasma/serum from the cellular material after collection.
Specimen Stability
- Refrigerated : 7 Days
- Frozen : 4 Weeks
Additional Test Information
Different CEA test methods cannot be used interchangeably. CEA in a given patient sample determined with tests from different manufacturers can vary due to differences in test methods and reagent specificity.