This testosterone blood test measures the total amount of testosterone in the blood.Testosterone is the main sex hormone in men and is responsible for male physical characteristics. Typically testosterone is considered to be a male sex hormone, but it is present in the blood of females as well.
This test is most helpful in assessing testicular function in males. Testosterone levels being tested to evaluate androgen excess, and can be helpful for men looking to find low T values, hypogonadism, and hypopituitarism. This test may also be useful for women looking to know the cause o hirsutism, anovulation, amenorrhea, virilization, masculinizing tumors of the ovary, tumors of the adrenal cortices, and congenital adrenal hyperplasia