Carcinoembryonic Antigen

CEA
Serum (SST) µg/L (ng/mL)

About this test

Glycoprotein involved in cell adhesion. Used in monitoring colorectal cancer, and also elevated in other GI malignancies and benign conditions.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs < 5 Non-smoker; smokers: <10 µg/L

Clinical Interpretation

High / Increased
Colorectal cancer (monitoring), gastric, pancreatic, lung, and breast cancer. Benign: cirrhosis, IBD, COPD.

Related Tests

Specimen
Serum (SST)
Reporting Unit
µg/L (ng/mL)

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.