This test measures the portion of PSA that circulates freely (not bound to proteins).
Diagnostic Value: A low free-to-total PSA ratio suggests higher likelihood of prostate cancer, whereas higher ratios favor benign enlargement.
Clinical Significance: Combined interpretation of free and total PSA improves diagnostic accuracy, reducing unnecessary biopsies.
Symptom Correlation: Similar to total PSA, patients may experience urinary hesitancy, urgency, or discomfort.
Because it refines prostate cancer risk assessment, the PSA Free test enhances clinical decision-making in prostate disease evaluation.