You are being ordered to have this test to detect an abnormal testosterone level in males and females. In men, this is usually to evaluate symptoms of low testosterone.
In females, this test may be given to help diagnose the cause of masculine physical features (virilization), excess body hair (hirsutism), infertility, or polycystic ovary syndrome (PCOS)
The testosterone test may be ordered to monitor or evaluate the results of testosterone therapy in either gender.