What is a normal PSA level?
Prostate cancer is the most important cause of a high prostate specific antigen (PSA). This is why the blood test is done. But there are many other causes.
PSA is a protein produced by the prostate gland.
So. What is a normal PSA level?
- Prostate specific antigen (PSA; men only) = <3.0 ng/ml
Prostate cancer
A high level of PSA can be a sign of prostate cancer. But your PSA level can also be raised in prostate conditions that are not cancer (see here).
A diagnosis of prostate cancer is not made on a PSA level alone.
What level of PSA indicates prostate cancer?
In general, a PSA level above 4.0 ng/mL is considered abnormal and may result in a recommendation for prostate biopsy.
Other resource
