Testosterone Testing, Total, Males (Adult), Immunoassay

Formal Name of the Test:
Testosterone, Total, Males (Adult), Immunoassay

Other Names Used:
Testosterone IA

Sample Required:
Serum

Test Overview:
Testosterone is almost entirely bound to transport proteins when it circulates: typically, less than 1-2 percent is free. The main testosterone transport protein is known as sex hormone binding globulin (SHBG) or testosterone-estradiol binding globulin (TeBG). Testosterone levels are used to diagnose erectile dysfunction, infertility, gynecomastia, and osteoporosis, as well as to evaluate hormone replacement therapy.

Test Preparation:
There is no need for any prior preparation.

Test Performed at:
Quest Diagnostics, Test Code 873
Click here to go to Quest Diagnostics page for this test