PSA (Prostate Specific Antigen) Normal range and the interpretation of the result
Updated: Apr 24
Description of the PSA and how it is used
What is Prostate?
Prostate is one of the male reproductive organs, which is located below the bladder,w hich makes and secretes some of the liquid components to make up the composition of the semens.
What is PSA (Prostate Specific Antigen)?
PSA is a tumor biomarker for screening for the presence of prostate cancer or the abnormality in the prostate. The patient with a prostate cancer has an elevated PSA level in the serum or plasma. It doest not, however, mean that the elevated PSA level represent the presence of the prostate cancer.
High PSA level can be caused by the prostate cancer, benign prostatic hypertropy, inflammatory tissues, or the recent ejaculation.
Which group is recommended to have PSA test?
American Urology Association proposed to the group of Men in 55-69 should have a PSA screening test (2018 The early detection of Prostate Cancer Guideline 2018)
American Cancer Society suggested that men over 50 should be tested for PSA
What is the normal range for PSA?
The normal reference range may vary depends on the diagnostic machine or the methodology that the clinics/hospitals are taking. The clinical judgement should not be established on a single test, but should be determined in conjuction with the cooperation of health professionals.
Normal Reference Range
(Prostate Specific Antigen)
0.0 - 4.0 ng/mL
Prostate cancer, Noncancerous prostate condition, Infection or benign prostatic hyperplasia, Noncancerous enlargement of the prostate, Insertion of urethral instrument
Rapid quantitative immunoassay analyzer