Patient Preparation: Do not give sample within 7 days of Digital Rectal Examination (DRE) or Rectal Prostatic Ultrasonograp.

Preparation: No special preparation or fasting required, but avoid ejaculation, vigorous exercise, or prostate manipulation (e.g., digital rectal exam) 24-48 hours before the test, as these can affect PSA levels.

Procedure: A blood draw, typically from a vein in the arm,

Description:

The Free Prostate Specific Antigen (Free PSA) test measures the amount of PSA that is not bound to proteins in the blood. It is used primarily to help differentiate between prostate cancer and benign prostate conditions, such as benign prostatic hyperplasia (BPH). The test is usually performed alongside the total PSA test for a more accurate assessment.