Free PSA

<p>A <strong>Free PSA test<!--TgQPHd||[]--></strong> is <!--qkimaf s4BHwf_n/HugV6--><!--cqw1tb s4BHwf_n/HugV6-->a blood test that measures the amount of prostate-specific antigen (PSA) that circulates unbound in the bloodstream, rather than attached to proteins<!--TgQPHd||[]-->. Combined with Total PSA, it calculates a <strong>Free-to-Total PSA ratio<!--TgQPHd||[]--></strong>, helping doctors distinguish between benign prostate conditions and prostate cancer.</p>