Patient preparation:
The patient does not need to be fasting.
The test material is blood.

Significance of the test:
Determination of the level of carcinoembryonic antigen (CEA) is useful in the diagnosis, treatment and prognosis of cancer cases ( especially colon and rectal cancers, as well as gastrointestinal and gastrointestinal cancers). An increase in CEA levels is observed in former and current cigarette smokers.

Preparation and preparation of material:
The test material is blood drawn for clotting.
The serum can be stored for 7 days at refrigerator temperature.
Can be frozen.