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Prostate Specific Antigen (PSA) Free and Total

Prostate-Specific Antigen (PSA) is a protein made in the prostate gland. The PSA, Free and Total test measures the amount of PSA in the blood.

PSA is either bound or unbound (free) in the blood. Bound PSA is attached to other proteins; free PSA is not attached to other proteins.

Free PSA may be tested if your total PSA is within a certain range. Lower levels of free PSA may be found in prostate cancer, whereas higher levels of free PSA may be found in non-cancerous conditions of the prostate.

Elevated total PSA levels may be found in conditions such as benign prostatic hyperplasia, prostatitis, prostate cancer, and others. Total PSA may also be elevated due to certain medications or urologic procedures.

The PSA test is not diagnostic of cancer, and PSA test results should be followed up by a healthcare provider. 

Test Details

This test includes PSA, Free and Total.

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Am I required to fast?

No, you are not required to fast prior to the test.

What kind of sample is required?

A blood sample is required for the test.

How long will it take to get my results?

Results are typically available within 24-72 business hours after the lab receives your sample.

Is a doctor’s order required?

Either we provide the doctor’s order for the lab test at no additional cost, or we accept your physician’s order.

Do I need to make an appointment?

No, you are welcome to walk in for same-day testing. We make it easy for you by offering work-friendly hours.

If I have questions about my results, who should I contact?

We recommend you share your results with your healthcare provider.