The program is an outgrowth of the 1986 National Childhood Vaccine Injury Act (NCVIA), which requires health care providers to report: Any event listed by the vaccine manufacturer as a contraindication to subsequent doses of the vaccine.
1 Men in the range of 60 to 69 years have normal PSA levels that are less than 4.5 ng/mL. 2  Men over the age of 70 years have normal PSA levels that are less than 6.5 ng/mL. 3  It is also important to note that the normal ranges of PSA results may vary from one laboratory to another.
The total PSA range of 4.0 to 10.0 ng/mL has been described as a diagnostic gray zone, in which the free:total PSA ratio helps to determine the relative risk of prostate cancer (see table below).