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Individual tumour markers for cancer screening.
The CA-125 Test is a blood screening that measures the level of Cancer Antigen 125 (CA-125), a protein found in greater concentration in ovarian cancer cells and certain other conditions. This marker is primarily used in the evaluation and monitoring of ovarian cancer, as well as assessing other gynecological conditions. While elevated CA-125 levels can indicate ovarian cancer, they may also be elevated in benign conditions such as endometriosis, pelvic inflammatory disease, uterine fibroids, and even during menstruation or pregnancy. This test is most valuable when used alongside other diagnostic tools and clinical assessments to provide a comprehensive picture of gynecological and abdominal health.
Venous blood sample drawn
No fasting required
If you can’t find the test you’re looking for, simply give us a call and our support team will guide you to the right option. We’re here to ensure you get the correct test quickly and confidently.
A CA 125 blood test measures cancer antigen 125, a protein that can be found in the blood. It is sometimes used by clinicians alongside an examination and imaging, or to monitor someone who is already under specialist care.
It measures the level of cancer antigen 125 (CA 125) in your blood. This test reports CA 125 only.
No. CA 125 can be raised in many conditions that are not cancer, and it can be normal when cancer is present. Diagnosis needs a clinical assessment and usually imaging.
A CA 125 test is usually requested by a clinician, or used to monitor a level that is already being followed. If you are booking because of new symptoms, speak to your GP first.
The current price is shown in the booking area at the top of this page. Your total, including the collection option you choose, is shown before you pay.
Share it with your GP or specialist. They will interpret it with your symptoms, history and any scan results.
Other single tumour marker tests: CA 19-9 blood test · CA 15-3 blood test · CEA blood test
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