A member asked:

What do the numbers on the psa test means?

3 doctors weighed in across 2 answers

Serum concentration: Of prostate specific antigen. Normal level is less than 4 nano-grams per cc. However lower levels do not mean lack of disease. Levels higher than 4 may be associated with benign enlargement of prostate or prostate cancer.

Answered 8/11/2012

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Several ways to view: There are many ways to view the psa. Age based, most assays have 2.5 as the high for a 45 year old and higher values as you age. Psa velocity is probably the best way to view, it's how fast it's rising. You want it <0.7/year. Psa density, free vs total are other ways.

Answered 10/3/2016

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