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What Is A Normal Psa Test?
PSA stands for prostate-specific antigen. It is a protein produced by prostate cells.
This article discusses the blood test to measure the amount of PSA in a man's blood. The PSA test is done to help diagnose and follow prostate cancer in men.
Alternative Names
Prostate-specific antigen; Prostatecancer screening test
How the test is performed
Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine...
Read moreMore information on "What Is A Normal Psa Test?"
From Our Experts
What is a Normal PSA?: Ask the Expert
Dear Dr. Motola: What is the normal PSA for a 69 year-old man? At what level does the PSA become troubling or warrant further tests? ... Read more »
PSA Velocity: What Does a Quick Rise in PSA Mean?
Dear Dr. Greenstein: My friend ,who is in his early 50s, just got the results of his annual PSA test - it was between 4-5. The... Read more »
What is a Normal Testosterone Level?
Dear Dr. Motola, Four years ago I had surgery for a left inguinal hernia, which unfortunately resulted in uncorrected internal post-op... Read more »
Have the Rules for PSA Testing Changed?
A series of studies were recently published in the New England Journal of Medicine that question the efficacy of widespread PSA testing for... Read more »
Low PSA: Can Your PSA Level Be Too Low?
Dear Dr. Motola, If a person has a low PSA can you attribute this to any particular factor or factors? In other words are there any... Read more »
From Our Sources
PSA Levels: Normal PSA or Elevated PSA?
Is My PSA Level Normal? The absolute value of PSA has been the long-term standard of care to determine whether one’s PSA elevation is... Read more »
Normal PSA Values
Source: ADAM Encyclopedia
Prostate-specific antigen; Prostatecancer screening testNormal ValuesNo certain PSA level that is called normal or abnormal. No PSA level means you... Read more »
Prostate-Specific Antigen Blood Test (PSA Test)
Source: Harvard Decision Guide
What Is It? The prostate-specific antigen blood test (PSA test) is a screening test that measures the amount of prostate-specific antigen (PSA) in a... Read more »
PSA Test Risks
Source: ADAM Encyclopedia
Prostate-specific antigen; Prostatecancer screening testWhat the risks areVeins and arteries vary in size from one patient to another and from one... Read more »
PSA Test: How it Works and What Your PSA Level Means
What Does PSA Mean?PSA is a blood test that is commonly used to help predict the presence of prostate cancer. It stands for Prostate Specific... Read more »
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