This test is performed to measure testosterone that is bound to proteins. Testosterone is produced by testicles and is the main sex hormone in males, despite being present in both genders. This test is uses to check delayed puberty in boys, decreased sex drive, erectile dysfunction in men and women, infertility etc. It is also performed when there is less sex drive and erectile dysfunction, lack of body hair, reduced muscle mass, development of breast tissue in males. It is often ordered along with FSH and LH tests in delayed puberty cases which shows signs of delayed muscle mass development, lack of body-hair and slow growth of penis.
LabEspy recommends Walk-In Lab, Health Testing Centers, Discounted Labs for this test.