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The PSA is used to screen for prostate cancer, and to follow the effectiveness of treatment of prostate cancer.
  • Large increases are seen in prostate cancer.
  • Moderate increases are seen in benign prostatic hypertrophy.
  • Mild increases are seen following prostate examination, and occasionally in normal individuals.

Normal Values*

Men < Age 40 0-2.7 ng/ml 0-2.7 ug/L
Men > Age 40 0-4.0 mg/ml 0-4.0 ug/L

*These are general values taken from a variety of sources. The actual normal values may vary from lab to lab and from one type of testing protocol to another.

Source: Operational Medicine 2001,  Health Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington, D.C., 20372-5300