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Carcinoembryonic Antigen (CEA)

Loinc

Expected Turnaround

24 hours

Information

Used in the follow‑up and therapy‑management of colorectal carcinoma.

Collection Information

Methodology

Electrochemiluminescence-immunoassay (ECLIA)

Limitations

Samples should not be taken from patients receiving therapy with high biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin administration.

Rejection Criteria

Specimen Stability

Room Temperature: 7 days Refrigerated: 14 days Frozen: 6 months

Alias

Carcinoembryonic Antigen; Embryonic carcinoma antigen; CEA; CEA, Serum; Carcinoembryonic Antigen (CEA)

Container Type

Serum, gel separator, SST

Minimum Volume

1 ML

Age Range

0 - 20

Sex

Generic

Units of Measure

Reference Range

Panic Range