CARCINOEMBRYONIC ANTIGEN (CEA)

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.4 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Severe hemolysis or lipemia, plasma

Methodology
Chemiluminescence

Stability
Room Temperature: 8 hours; Refrigerated: 72 hours; Frozen: 14 days

Reference Range
<=5.0 ng/mL

Performed
Monday-Friday

Turnaround Time3 days
Test CodeCEA
CPT-4 Code (s)
82378
LOINC Codes
2039-6

Warde
Medical
Laboratory