It seems like there is a new test every few months.  I’ve had a few of them as you may have seen in the archives of this blog.  Now there is a 4KScore test,

A newly available commercial blood test performs better than a commonly used online risk calculator in predicting which men with an elevated prostate-specific antigen (PSA) level will ultimately turn out, on biopsy, to have high-grade disease.

 

http://www.medscape.com/viewarticle/825626