PSA Free and Total


The PSA, Free and Total is recommended for med over the age 50 years of age with a PSA between 4.0 and 10 ng/mL the percentage (%) free PSA gives and estimated of thr probablity of cancer. In these circumstances the measurment of the % free PSA may aid in avoiding unnecessary biopsy. You should take your PSA test results to your doctor for review.




PSA Free and Total


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  • PSA, Total
  • PSA, Free
  • PSA, % Free


Immunoassay (IA)

Reference Range(s)

PSA, Total

Male ≤4.0 ng/mL
Female Not established


PSA, Free See Laboratory Report

PSA, % Free


Male >25 % (calc)
Female Not established
  • Fasting Required: NO
  • Preferred Specimen: Serum