This test measures the Free Testosterone circulating in your blood.
Testosterone is a sex hormone produced mainly in men, but also in women. It effects sexual drive and function as well as sexual and nonsexual characteristics such as muscle mass, deepness of voice, hair growth patterns, etc. This test measures free testosterone levels in your blood. Please allow 5-7 days for the results of this test. If the initial testosterone result is significantly high, the lab may retest which delays reporting. Preparation: No special preparation is required.