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

    Jun 10, 2025 · Blood PSA testing is used as a screening test for prostate cancer. Prostate-specific antigen (PSA) levels by age remain the same across most populations. A PSA level above 4.0 ng/mL …

  2. 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.

  3. Prostate-Specific Antigen: PSA Test and PSA Levels Explained - WebMD

    Apr 5, 2024 · The prostate-specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities.

  4. 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.

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

    Mar 21, 2024 · A PSA (prostate-specific antigen) test is a blood test that helps healthcare providers diagnose and manage prostate cancer. High PSA levels don’t mean you have prostate cancer.

  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 of …

  7. Screening for Prostate Cancer | Prostate Cancer | CDC

    Aug 4, 2025 · PSA is a substance made by the prostate. The levels of PSA in the blood can be higher in men who have prostate cancer. The PSA level may also be elevated in other conditions that affect …

  8. Prostate-Specific Antigen (PSA) Test: High & Low Results - Health

    Aug 21, 2025 · How Does a PSA Test Work? A PSA test can help doctors screen for prostate cancer if you have symptoms or are at higher risk. A PSA test measures the level of prostate-specific antigen …

  9. Interpreting Your PSA Level | Prostate Cancer Foundation

    It can help catch the disease at an early stage when treatment is thought to be more effective and potentially has fewer side effects. During a PSA test, a small amount of blood is drawn from the arm, …

  10. PSA Test for Prostate Cancer - Memorial Sloan Kettering Cancer Center

    For a diagnosis of prostate cancer, we have to perform a prostate biopsy. A high PSA level does not generally mean that a man should have a prostate biopsy.