Description
Serum, It is produced during the development of a fetus and production stops before birth. The expression of CEA is increased in almost all types of cancers (mainly ovarian cancer) and hence used as a tumor marker, Non Fasting
Sample Required:
A blood sample is required for this test. A healthcare professional will draw blood from a vein, usually from the arm.
Test Time:
Test results are usually available within a few days after the blood sample is collected.
Test Normal Range:
The normal range for CEA levels varies depending on factors such as age and smoking history. The findings will be interpreted by your doctor.
What is the Test?
The CEA test measures the level of carcinoembryonic antigen (CEA) in your blood. CEA is a protein that may be elevated in individuals with certain types of cancers, especially colorectal cancer. However, elevated CEA levels can also occur due to other conditions.
Test Procedure:
Blood Collection: A healthcare professional will clean the area, usually your arm, and draw blood using a needle and syringe.Sample Analysis: The collected blood sample will be sent to a laboratory for analysis of CEA levels.
When to Take the Test:
The CEA test is often used to monitor treatment and to check for recurrence in individuals with a history of certain cancers, particularly colorectal cancer. It may also be used as a part of cancer screening.
Who Should Take This Test:
Individuals with a history of colorectal cancer, especially for monitoring treatment progress. Those at high risk for certain types of cancer, as determined by their healthcare provider.
Precautions for Exceptional Cases (Pregnancy etc.):
Inform your healthcare provider if you are pregnant or breastfeeding before taking the test. CEA levels may be elevated during pregnancy, and the test may not be as accurate in these cases.
FAQs:
Q1: Can high CEA levels definitively indicate cancer?
A: Elevated CEA levels can be associated with cancer, but they can also be elevated due to non-cancerous conditions or other factors. Further testing is usually needed for a definitive diagnosis.
Q2: Can smoking affect CEA levels?
A: Yes, smoking can increase CEA levels, which is one reason why current smoking status is considered when interpreting the results.
Q3: How often should CEA levels be monitored?
A: The frequency of testing depends on your individual situation, including your medical history and the reason for testing. Your doctor will advise you.
Q4: Can CEA levels be used as a cancer screening tool?
A: CEA is not a recommended standalone screening tool for cancer. It’s often used in combination with other tests and evaluations.
Q5: Are there other conditions that can cause elevated CEA levels?
A: Yes, conditions such as infections, inflammatory bowel disease, and certain non-cancerous growths can lead to elevated CEA levels.
