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Test Code CEA Carcinoembryonic Antigen (CEA), Serum

Important Note

The CEA assay is not recommended as a screening test for cancer, but rather as an aid in management of cancer patients. Serial testing for patients CEA assay values should be used in conjunction with other methods used for monitoring cancer.

Do not interpret levels of CEA as absolute evidence of the presence or the absence of malignant disease.

Result determined by the Siemens Centaur XP Chemiluminometric Immunoassay

CEA antigen levels in a given specimen determined with assays from different manufacturers can vary and cannot be used interchangeably.

Specimen Collection Requirements

Carcinoembryonic Antigen (CEA), Serum

Alternate Test Name: Embryonic Carcinoma Antigen
Dept: Chemistry
SPECIMEN COLLECTION REQUIREMENTS
Collection Container:

SST
Specimen: Serum
Transport Temperature: Room Temperature
Specimen Volume: Preferred Volume: 2 mL; Minimum Volume: 1 mL
Also Acceptable: Red Top Tube
TECHNICAL SPECIFICATIONS
Performed: Monday - Saturday
Reported: Same Day
Methodology: Chemiluminescence
CPT: 82378
LOINC: 2039-6
Stability: Room Temperature: 7 Days; Refrigerated: 14 Days; Frozen: 30 Days
Reference Range:

0 - 5.0 ng/mL
Notes:

Additional Reference Range Note:

   Non-smokers:... <5.0 ng/mL
   Smokers:.......<10.0 ng/mL