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Book CA 15.3 (Breast Cancer Marker) Test Online

Conveniently book for a home collection and get your reports online.

60 min Home collection

As per NABL testing standards

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Connected to your doctor

What is CA 15.3 (Breast Cancer Marker) test?

Cancer Antigen 15-3 (CA 15-3) is a Protein that is produced by normal breast cells. However, when CA 15-3 is present in the blood in high levels, it may indicate the presence of tumor cells. Hence, this test is considered as a Blood test for breast cancer, but would not be the only test ordered by your doctor to screen for breast cancer.

Why get the CA 15.3 (Breast Cancer Marker) test?

The CA 15-3 test is administered to those suspected to have breast cancer. For those diagnosed with breast cancer, this blood test can evaluate if the cancer treatment is effective. Patients who began treatment with a high level of CA 15-3 are usually administered this test during the course of treatment.

When to take this test?


Body Part

Breast cancer

Sample Requirement


Normal Range

less than 30 U/mL.

Frequency to repeat test

Based on doctor advice

Precautions to be taken before for the test

No particular precautions are required, unless it is recommended by your doctor.


CA 15.3
Doctor and Patient
Test is available in Bangalore through Orange Health Diagnostic Lab.
Order now & get your sample collected in 60 minutes


What our customers say about us


 I normally have an issue with my veins as they are very thin but the technician was experienced and the sample came out in one shot at the first attempt, which really reassured me.

Arshia L.


The pickup was done extremely nicely. Got a message when the person started , no calls for directions and most of all extremely polite representative.

Nishanth I.


Got my one year old tested. Very professional and safe. Using sealed sample kits with needles, tubes and gloves pre-packed.

Pallavi T.