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Prostate-Specific Antigen (PSA), Total and Free, Serum - Mayo . . . 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 percent free PSA result will be calculated and reported
PSA, % Free - Lab Results explained | HealthMatters. io Total PSA gives an overall measure, while free PSA and % free PSA help refine the interpretation: Elevated Total PSA with Low % Free PSA: This combination is more suggestive of prostate cancer For instance, a % free PSA below 10% is associated with a higher risk of prostate cancer
What Causes Low Free PSA Levels? - WebMD 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
What is the difference between PSA and free PSA? 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 number is relatively low So, while the free-PSA test isn't essential, the results may sway your decision on whether to have a biopsy when combined with other tests
Screening for prostate cancer: a study on the free and total . . . Other factors than prostate cancer can cause elevation of PSA levels therefore, free prostate specific antigen measurements in serum have been proposed in order to improve the specificity of laboratory identification of prostate cancer