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Carcinoembryonic Antigen (CEA)

Item# LC002139

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  • Carcinoembryonic Antigen (CEA)
  • Item Catalog Number: LC002139

Carcinoembryonic antigen (CEA) is normally produced by cells of the digestive tract during early fetal life. CEA is not a screening test for cancer. Instead, it is useful as a tumor marker to determine the extent of disease and its prognosis in persons with gastrointestinal and breast cancer. CEA can also be used to monitor response to therapy.

CEA levels are elevated in smokers as well as other non-cancerous conditions such as inflammation from recent infections, inflammatory bowel disease, and pancreatitis.

Fasting is not required for this test. Take all medications as prescribed.


The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.

Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.


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