About 1,410 results
Open links in new tab
  1. Free PSA and Prostate Cancer: What You Should Know

    May 7, 2025 · Free PSA is PSA that hasn’t bound to any proteins. Bound PSA is PSA that has bound to proteins. When your PSA is tested, it may be measured two ways. A free PSA test measures only the...

  2. PSA, % Free Explained: How This Ratio Improves Prostate Cancer Risk ...

    Dec 15, 2025 · In this article, we’ll explain what PSA, % Free is, why it matters, and how it improves decision-making beyond total PSA alone. For a detailed breakdown of your own results, visit the full …

  3. Free PSA vs Total PSA: Understanding the Difference

    Jun 6, 2025 · This guide will break down what PSA is, explain the difference between free and total PSA in simple terms, and why these tests matter for prostate cancer screening and diagnosis.

  4. What Causes Low Free PSA Levels? - WebMD

    Jun 14, 2022 · A low free PSA level can be a sign that you’re at higher risk for prostate cancer. Find out what it is and how it’s measured.

  5. Free PSA: Test, results, and prostate cancer - Medical News Today

    Apr 14, 2023 · This article will examine when a doctor may use a free PSA test, how these differ from total PSA tests, and what the results might mean.

  6. Prostate-Specific Antigen (PSA), Total and Free, Serum - Test Catalog

    Total prostate-specific antigen (PSA) and free PSA are performed and reported on every specimen. If the initial total PSA concentration is between 4.0 and 10.0 ng/mL, then the percentage of free PSA …

  7. What Is Free PSA and What Does the Ratio Mean?

    Dec 3, 2025 · Because a single total PSA number lacks specificity, scientists developed “free PSA” to better determine risk and guide follow-up procedures. The overall measurement taken in a standard …

  8. PSA, Free and Total | Test Detail | Quest Diagnostics

    PSA, Free and Total - In men over 50 years with total PSA between 4.0 and 10.0 ng/mL, the percent (%) free PSA gives an estimate of the probability of cancer. In these circumstances the measurement of …

  9. Prostate-Specific Antigen (PSA) Test - NCI

    Jan 31, 2025 · Learn what a PSA test is, plus the limitations and potential harms of the test when used to screen for prostate cancer.

  10. Free Prostate Cancer Testing Near You | ZERO Prostate Cancer

    Men between the ages of 40 and 70, without a history of prostate cancer, can receive a FREE prostate cancer screening, including a digital rectal exam and Prostate-Specific Antigen (PSA) blood test.