Sign in →

Test Code CEAM Carcinoembryonic Antigen (CEA), Serum

Additional Codes

 

MAYO Test ID

CEA

EPIC Test ID

LAB57

 

Reporting Name

Carcinoembryonic Ag (CEA), S

Useful For

Monitoring colorectal cancer and selected other cancers such as medullary thyroid carcinoma

 

May be useful in assessing the effectiveness of chemotherapy or radiation treatment

 

Carcinoembryonic antigen levels are not useful in screening the general population for undetected cancers.

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.6 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days
  Frozen  90 days

Reference Values

Nonsmokers: ≤3.0 ng/mL

Some smokers may have elevated CEA, usually <5.0 ng/mL.

Serum markers are not specific for malignancy, and values may vary by method.

Day(s) and Time(s) Performed

Monday through Friday; 5 a.m.–12 a.m., Saturday; 6 a.m.–6 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82378

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CEA Carcinoembryonic Ag (CEA), S 2039-6

 

Result ID Test Result Name Result LOINC Value
CEA Carcinoembryonic Ag (CEA), S 2039-6

Analytic Time

Same day/1 day

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

 

Method Name

Immunoenzymatic Assay

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request Form (T729) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/oncology-request-form.pdf)