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Individual test · Labcorp 480061

Cancer Antigen (CA) 125 (Serial Monitor)

This test measures the amount of CA 125, a protein often released into the blood by ovarian cancer cells. Doctors primarily use this test to track how well cancer treatment is working or to check if the cancer has returned after therapy. Monitoring changes in these levels helps show whether the disease is stable or progressing. However, this test cannot diagnose cancer by itself, as other non-cancerous conditions can also cause high levels.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.