Testosterone Total Males (Adult)


Testosterone circulates almost entirely bound to transport proteins: Normally less than 1-2% is free. The principal transport protein for testosterone is known as sex hormone binding globulin (SHBG) or testosterone-estradiol binding globulin (TeBG). Testosterone measurements are used to assess erectile dysfunction, infertility, gynecomastia, and osteoporosis and to assess hormone replacement therapy.

Testosterone Total Males (Adult)


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  • Fasting Required: NO
  • Preferred Specimen: Serum
  • Limitations: Immunoassay does not provide sufficient sensitivity in detecting low concentrations among non-adults and women.
  • Reference Range(s): Adult Male 250-827 ng/dL All test requests for Testosterone on female and pediatric (<18 years) patients must use test code 15983 - Testosterone, Total.
  • Turnaround Time: 3 Days
  • Test Code: 873