Serum or Plasma Immunoassay for Prostate-Specific Antigen (PSA) Concentration

Why This Test Might Be Ordered

Your doctor may recommend a PSA test if you have symptoms like frequent urination, difficulty urinating, or pain in the pelvic area. It’s also used as part of routine screening for men at higher risk of prostate cancer, especially those with a family history or older age. Additionally, PSA levels may be checked after prostate surgery or radiation treatment to monitor for recurrence.

What to Expect Before the Test

No special preparation is needed for this blood test. You may have a small needle inserted into your arm, and a blood sample will be drawn. It usually takes a few minutes. If you’re on a blood thinner, let your doctor know before the test.

What the Results Mean

PSA levels can vary widely based on age, overall health, and medical conditions. While higher levels may raise concerns about prostate cancer, they can also be influenced by other factors like prostate inflammation, infection, or an enlarged prostate. Your doctor will interpret the results in the context of your overall health and symptoms.

Common Causes of Elevated PSA Levels

Elevated PSA levels can occur due to benign conditions such as an enlarged prostate, prostate infection, or recent prostate procedures. However, it’s important to note that prostate cancer can also cause elevated PSA levels. Further testing, like a digital rectal exam or biopsy, may be needed to determine the cause.