Sex Hormone Binding Globulin (SHBG)

Sex Hormone Binding Globulin (SHBG) - Testosterone, dihydrotestosterone, and estrogens are transported in the bloodstream attached to Sex Hormone Binding Globulin (SHBG). Levels of SHBG increase during pregnancy, hyperthyroidism, cirrhosis, oral estrogen use, and due to certain medications. Conversely, SHBG levels decrease with testosterone, hypothyroidism, Cushing's syndrome, acromegaly, and obesity.

Preferred Specimen(s):

0.7 mL serum

Minimum:

Volume 0.5 mL

Methodology:

Immunoassay (IA)