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www.medicalnewstoday.com/articles/322001

Free prostate-specific antigen (PSA) tests can help detect signs of prostate cancer. They measure the level of a biomarker that may indicate the condition.

www.hopkinsmedicine.org/health/conditions-and-diseases/prostate-cancer/prostate-cancer-age-specific-screening-guidelines

The PSA test is a blood test that measures how much of a particular protein (called prostate-specific antigen) is in your blood. It's been the standard for ...

www.halodx.com/blog/understanding-psa-levels-the-psa-test-halo-dx

Oct 27, 2020 ... Small amounts of PSA ordinarily circulate in the bloodstream and can be measured by a PSA test to monitor the health of the prostate. This test ...

www.medicinenet.com/prostate_specific_antigen/article.htm

The prostate health index (PHI) is a new approved test that measures the total PSA, free PSA, and [-2] proenzyme PSA. The National Comprehensive Cancer Network ...

www.health.harvard.edu/blog/what-is-the-difference-between-psa-and-free-psa-20091001114

Oct 1, 2009 ... I tend to order a free-PSA test when a total PSA yields borderline results and when the PSA seems to be rising quickly, even if the actual ...

medlineplus.gov/lab-tests/prostate-specific-antigen-psa-test

Nov 30, 2020 ... A prostate-specific antigen (PSA) test measures the level of PSA in your blood. The prostate is a small gland that is part of a man's ...

www.pcf.org/about-prostate-cancer/what-is-prostate-cancer/the-psa-test

During a PSA test, a small amount of blood is drawn from the arm, and the level of PSA, a protein produced by the prostate, is measured. A higher PSA means that ...

www.walkinlab.com/products/view/prostate-specific-antigen-psa-serum-test

Also Known As: PSA Total; Prostate cancer screening test. Methodology: Immunoassay (IA). Preparation: No fasting required. Stop biotin consumption at least ...

ltd.aruplab.com/Tests/Pub/0080264

Acceptable initial test for prostate cancer screening. Preferred test is Prostate Specific Antigen, Total (0070121) in conjunction with digital rectal exam ...

cancer.ca/en/treatments/tests-and-procedures/prostate-specific-antigen-psa-test

If you have a total PSA level between 4 and 10, doctors may test your blood for free PSA. A percent-free PSA above 25% is considered normal.

www.cancer.gov/types/prostate/psa-fact-sheet

Feb 24, 2021 ... What is the PSA test?