Prostate Specific Antigen, Total, Serum

Prostate Specific Antigen (PSA), Total, Serum – P0018b

Test Overview

The Prostate Specific Antigen (PSA), Total, Serum test measures the total level of PSA—a protein produced by the prostate gland—in the blood. This test is widely used as a screening and monitoring tool for prostate-related conditions, especially in men above 40 years.

Why This Test is Important

• Helps in early detection of prostate abnormalities
• Aids in screening for Prostate Cancer
• Assists in diagnosing Benign Prostatic Hyperplasia (BPH)
• Detects Prostatitis
• Monitors treatment response and disease progression

Who Should Take This Test

• Men aged 40 years and above
• Individuals with family history of prostate cancer
• Patients experiencing:
  • Difficulty in urination
  • Frequent urination (especially at night)
  • Weak urine stream
  • Pelvic discomfort

Test Details

• Sample Type: Blood (Serum)
• Fasting Required: Not mandatory
• Test Method: Immunoassay
• Reporting Time: Typically within 24 hours

Normal Reference Range

• PSA levels generally increase with age
• Typical reference:
  • 0 – 4.0 ng/mL (may vary based on age and lab standards)

Interpretation of Results

• Low PSA: Usually indicates normal prostate health
• Moderately Elevated PSA: May suggest BPH or prostatitis
• High PSA Levels: Could indicate prostate cancer (requires further evaluation like biopsy or imaging)

Preparation Guidelines

• Avoid ejaculation for 24–48 hours before the test
• Inform your doctor about medications or recent procedures
• Avoid vigorous cycling or prostate stimulation before testing

Benefits of the Test

• Early detection leads to better treatment outcomes
• Non-invasive and quick blood test
• Helps in routine health screening for men

Limitations

• Elevated PSA does not always mean cancer
• May require additional tests for confirmation

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