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  1. What Is a Normal PSA Level by Age? High Level and Chart

    Jun 10, 2025 · PSA levels can be detected in the blood, urine, or semen. Blood PSA testing is used as a screening test for prostate cancer. Prostate-specific antigen (PSA) levels by age remain …

  2. Prostate-Specific Antigen: PSA Test and PSA Levels Explained

    Apr 5, 2024 · Doctors generally use a PSA test to help figure out what is causing prostate problems. But it’s also used to screen for prostate cancer. Prostate cancer is the second most …

  3. Free PSA vs Total PSA: Understanding the Difference

    When you get a PSA test, the lab can measure PSA in two forms: Total PSA: This is the overall amount of PSA in the blood. It includes PSA that is attached to other proteins and PSA that is …

  4. 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.

  5. PSA test - Mayo Clinic

    Apr 30, 2025 · Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.

  6. Prostate-specific antigen (PSA) levels by age: What to know

    PSA levels can be measured in the bloodstream, and elevated PSA levels can sometimes be a symptom of prostate cancer. So, this antigen gives doctors a starting point to evaluate your risk …

  7. Prostate-Specific Antigen (PSA) Test: Purpose & Results

    Mar 21, 2024 · PSA tests are very common. If you have a prostate, most healthcare providers recommend getting a PSA test every two to three years, starting around age 50. If your PSA test …

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

    As an aid in distinguishing prostate cancer from benign prostatic conditions in men aged 50 years and older with total PSA between 4.0 and 10.0 ng/mL with digital rectal examination findings …

  9. Interpreting Your PSA Level | Prostate Cancer Foundation

    During a PSA test, a small amount of blood is drawn from the arm, and the level of PSA is measured.

  10. What is a PSA test and how is it used? - Harvard Health

    Jul 14, 2025 · In general, PSA levels over 4 nanograms per milliliter (ng/mL) in blood are considered abnormal. But doctors may also vary PSA cutoffs by age.