Testosterone, Free, Mass Spectrometry/Equilibrium Dialysis (Endocrine Sciences) LabCorp

This test measures the amount of testosterone in your blood that is not bound to proteins and is readily available for your body to use. It helps evaluate hormone levels and can be used to diagnose conditions like hypogonadism or monitor hormone therapy. The Mass Spectrometry/Equilibrium Dialysis method is a specific, accurate way to measure this free testosterone.