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Carcinoembryonic antigen (CEA)

About This Test

Department: Biochemistry


  • Gel/clotted (yellow/red top)

Add-on requests are accepted


Turnaround Time:

72 hours


Tumour marker for monitoring of colorectal adenocarcinoma

CEA is only of value for treatment monitoring of established colorectal cancer. Elevations may occur with liver disease, IBD, pancreatitis, emphysema, in smokers, as well as any advanced adenocarcinoma.

CEA is almost never elevated in early malignancy and should NOT be used for screening or diagnosis.

Reference ranges:

Age range Reference range (ng/mL)
All ages/sexes 0 - 5

Derived from Cancer and Clinical Biochemistry (ACB Ventures publication, July 1997)

Results outside the reference range do not necessarily indicate disease. Similarly, results within the reference range do not preclude abnormality. Please contact the Duty Biochemist for discussion of individual patient results.

Other Comments:

For more information, please see the following: CEA - Lab Tests Online