Important Note

Evaluating men with symptoms or signs of possible hypogonadism, such as loss of libido, erectile dysfunction, gynecomastia, osteoporosis, or infertility

Evaluating boys with delayed or precocious puberty

Monitoring testosterone replacement therapy

Monitoring antiandrogen therapy (eg, used in prostate cancer, precocious puberty, treatment of idiopathic hirsutism, male-to-female transgender disorders, etc.)

Evaluating women with hirsutism, virilization, and oligoamenorrhea

Evaluating women with symptoms or signs of possible testosterone deficiency

Evaluating infants with ambiguous genitalia or virilization

Diagnosing androgen-secreting tumors