For any man over the age of 40 who goes to his physician, a simple blood test known as a PSA (Prostate Specific Antigen) is done to look for the possibility of prostate cancer. Unfortunately, the test is quite unspecific and even if you have a high reading, between 4-10, the likelihood of having prostate cancer is still low but around 1 million men still have biopsies at that range. The problem with that is the side-effects of the procedure include incontinence and sexual dysfunction.

Of the men with higher than expected PSAs, only 20 percent turn out to have cancer which means that 80 percent have had a procedure done unneccesarily. But there is a simple test, known to the medical community for a number of years that can cut back on biopsies dramatically and it is known as the Free-PSA.  Free PSA is the antigens that are not bound to proteins. The higher the percentage of Free-PSA the lower the likelihood of prostate cancer. If the level is >25% then the risk of having prostate cancer is 5% in men between 50 and 65 and 9% in men 65-75.

The Free-PSA is around a $100 when combined with a total PSA and the biopsy is far more expensive and invasive. If you are a man and you’ve had a PSA done and it is between 4-10 and your doctor insists on doing a biopsy before running a Free-PSA, get another doctor.