SKU: 46373RTE-2-1.

Testosterone Free & Total,Direct, LC/MS-MS


Most of the body’s circulating testosterone is bound by sex-hormone binding globulin or albumin, leaving only a fraction free. This test measures total testosterone, as well as free (unbound) levels. Testosterone is a steroid hormone from the androgen group primarily secreted in the testes of males and the ovaries of females with small amounts also secreted by the adrenal gland


This panel contains the following tests:

  • Free Testosterone
  • Total Testosterone

Fasting is not required for this test. Take all medications as prescribed. If you are supplementing with any hormones, we suggest taking them approximately 2 hours prior to having your blood drawn to see peak levels. Hormones are best drawn between 8-10 AM.

Out of stock


Free: Direct analog enzyme immunoassay (EIA); Total: liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Expected Turnaround Time

4 – 6 days