Prostate Specific Antigen (PSA) Free Test

Prostate Specific Antigen (PSA) Free Test

Category
Men's Health
Sample
Blood sample taken from a vein in your arm
Reports () Terms & Conditions Report time varies with time of sample collection.
In 2 days
Fasting
No Fasting
Age
18+ Years

What Is This Test?

Measures free PSA — the portion of PSA not bound to proteins — and is usually reported as a percentage of total PSA.

Why this test is performed?

Helps decide whether a mildly raised total PSA (about 4–10 ng/mL) is more likely due to cancer or benign enlargement; a lower free PSA percentage suggests higher cancer risk.

Who should take this test?

Low energy or libido, erectile problems, infertility, prostate/urinary symptoms, men over 50.

Test Preparation

No fasting needed.

Medical disclaimer · for information only, not medical advice

This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.

In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.

Read our Editorial Policy and Medical Review Process.

Frequently asked questions

No. Tumour markers can be raised in non-cancerous conditions and normal in some cancers. They are mainly used to support diagnosis and to monitor treatment and recurrence.

No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.

Blood sample taken from a vein in your arm.

Usually within 15–39 hours after the sample reaches the lab. You will receive the report online.

This test is meant for men only.

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