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Epic Code LAB57 CEA (Carcinoembryonic Antigen)

Important Note

Test cannot be ordered as an add-on.

Testing performed by Roche Cobas systems by Electrochemiluminescence Immunoassay.  Serum markers are not specific for malignancy. Assays using different manufacturers for methods may not be comparable.

Test Name Alias

Carcinoembryonic Antigen Level | CEA | Embryonic Carcinoma Antigen | 6785

Interface Order Alias


Specimen Requirements

Specimen Collection: Blood


Container(s): 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 1.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes


Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes

Processing Instructions:

  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
  • Minimum volume: 1.0 mL plasma or serum

Specimen Transport Temperature


Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

0.0-5.0 ng/mL

Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI


Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.



CDM Code


Epic Test ID



CEA: 2039-6

Mayo Access Code


Reviewed Date


Updated Date

3/14/2024 - Important Note