At the side of a residential road, three men�one of them a security guard�are sitting next to each other on plastic chairs, looking at the side of a parked car, laughing and smiling.

What is CA 15.3?

CA 15.3 is ordered to montior a patients response to breast cancer treatment and to watch for breast cancer recurrence. CA 15.3 can be used as a marker if the cancer is producing in elevated amounts, so this test will not be useful for all breast cancer patients. The higher the CA level the more advanced the breast cancer and the larger the tumour burden.

Purpose of Test

Quantitative determination of CA 15.3 levels in human serum.

Test of Result Interpretation

Upto 35 U/mL.


No preparation required.

Turnaround Time

24 Hrs