LabCorp Test

Carcinoembryonic Antigen (CEA) Blood Test

Quick Overview

Measures the amount of a protein that may appear in the blood of some people who have certain kinds of cancers, especially large intestine (colon and rectal) cancer.

Test #002139


Availability: In stock

Also Known As CEA
Preparation No fasting required. Stop biotin consumption at least 72 hours prior to the collection.
Test Results 1-2 days. May take longer based on weather, holiday or lab delays.


The carcinoembryonic antigen (CEA) test is used to find how widespread cancer is for some types of the disease, especially colon cancer. It is also used to check the success of treatment for colon cancer. CEA levels may be measured both before and after surgery to evaluate both the success of the surgery and the person's chances of recovery and during treatment with chemotherapy. This provides information about how well the treatment is working and to moitor whether the cancer has returned after treatment.

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