Cancer Antigen (CA) 125 Serum Test

Cancer Antigen (CA) 125 Serum Test

Quick Overview

Tumor marker used to check how well treatment for ovarian cancer is working or to see if ovarian cancer has returned.

Test #002303

$58.00

Availability: In stock

Also Known As Cancer Antigen or CA125, Serum Test; OC125,Cancer Antigen 125,Ovarian Antigen CA-125, Second Generation Assay
Short Description

Tumor marker used to check how well treatment for ovarian cancer is working or to see if ovarian cancer has returned.

Test Type Blood
Test Results 1-2 days. May take longer based on weather, holiday or lab delays.
Retail Price $148.00
Meta Keywords No
Meta Description A Cancer Antigen (CA) 125 Blood Test can detect ovarian & other cancers. Our low-cost CA125 test does not require insurance or a doctor's order.

Used as a tumor marker, the Cancer Antigen (CA) 125 Blood Test can help detect the presence of certain kinds of cancer, particularly ovarian cancer. It is most often ordered to check on the progress of ovarian cancer treatment or to determine if the cancer has returned.

The Cancer Antigen 125 Test is also known as CA 125 and CA 125, Second Generation Assay. No fasting is required prior to this blood test. Results will be delivered in 1-2 days. This test does not require insurance or a doctor’s order.

When used to check on ovarian cancer treatment progress, it is recommended that the test be performed no earlier than three weeks following the completion of primary chemotherapy, and no earlier than two months following abdominal surgery.

The CA 125 Blood Test can determine whether:

  • Cancer treatment is working, usually indicated by declining levels of cancer antigen 125.

  • Ovarian cancer has returned.

  • Pelvic or other cancers may be present.

  • Cancer originated in the ovary. If cancer has metastasized (spread to other areas of the body), a CA 125 Blood Test can determine where the cancer originated. High cancer antigen 125 levels may indicate that the cancer started in the ovaries, although other cancers can cause increased levels of CA 125 also.


A CA 125 Blood Test is used for men and women, but is most often ordered for women for ovarian cancer-related testing.

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