What Does a High or Low PSA Result Mean?
A high PSA can be caused by prostate cancer or several noncancerous prostate conditions. A low PSA is usually reassuring but not a guarantee. Learn how PSA is interpreted and when follow-up is needed.
Men’s Health
PSA Blood Test: What It Measures, Preparation, and Results
A PSA blood test measures prostate-specific antigen to help screen for or monitor prostate concerns. Learn how to prepare, what results mean, and what follow-up may involve.
What Does a High or Low SHBG Result Mean?
High or low SHBG can change how much testosterone is available to your tissues, even when total testosterone looks normal. Learn what SHBG results mean, common causes, follow-up tests, and when to talk with a clinician.
What Does a High or Low Testosterone Free Result Mean?
High or low free testosterone can reflect hormone production, SHBG binding, medications, timing, or assay method. Learn how to interpret the result and what follow-up labs may help.