What is the CA 15-3 test?
This test measures the blood level of CA 15-3.
Why is the CA 15-3 test important?
Elevated CA 15-3 levels are sometimes seen in the setting of breast and liver tumors. The CA 15-3 level is also sometimes used to monitor for disease activity.
What type of specimen will I submit?
This CA 15-3 is a blood test.
Do I need to fast to take this test?
Fasting is not necessary.
How long does it take to get test results?
It typically takes 4 business days or less.