PSA Lab Results: Normal Reference Range vs. Functional Optimal Levels
Understand the difference between standard PSA reference ranges and functional optimal PSA levels. Learn what PSA means, how to interpret your results, and when to act.
PSA (Lab Test)
3 source-based articles maintained by the HealthRX.com Editorial Team.
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May 27, 2026latest review
PSA (Lab Test) library
Showing 3 of 3 clinical reviews.
PSA: Drugs That Distort This Test
A clinical guide to medications that artificially raise or lower PSA levels, including 5-alpha reductase inhibitors, testosterone, NSAIDs, statins, and thiazides. Know which drugs affect your PSA before screening.
PSA: How to Interpret Your Result
Learn what your PSA blood test result means, what ranges are normal by age, and when to act. Includes clinical thresholds, free PSA ratio, velocity tracking, and guidance for men on TRT.