Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1228 page)

TABLE 16–75. Normal Ranges of Testosterone

   Use

   Evaluation of gonadal hormonal function

   Interpretation

Increased In

   Adrenal virilizing tumor causing premature puberty in boys or masculinization in women

   CAH

   Idiopathic hirsutism (inconclusive)

   Stein-Leventhal syndrome: variable; increased when virilization is present

   Ovarian stromal hyperthecosis

   Use of certain drugs that alter thyroxine-binding globulins may also affect testosterone-binding globulins; however, the free testosterone level is not affected

Decreased In

   Primary hypogonadism (e.g., orchiectomy)

   Secondary hypogonadism (e.g., hypopituitarism)

   Testicular feminization