Prostate Specific Antigen (PSA), Total + Free + % Free

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Prostate-Specific Antigen (PSA) is a protein produced by the prostate. Elevations of PSA are a marker of prostate cancer or another prostate problem such as prostatitis or benign p rostatic hyperplasia (BPH). High PSA levels may indicate the need for re-testing, a prostate exam, or potentially a biopsy.Free PSA is a measure of unbound PSA that is available to the body’s tissues. Prostate Specific Antigen (PSA), Total Prostate Specific Antigen (PSA), Free Prostate Specific Antigen (PSA), Free % Show more