Testosterone is the main sex hormone in men. This test measures the level of testosterone in the blood.
This hormone is responsible for male physical characteristics. Although it is considered to be a “male” sex hormone, it is present in the blood of both men and women. In men, the test may be ordered when infertility is suspected or when a man has a decreased sex drive or erectile dysfunction.
In boys with delayed or slowly progressing puberty, the test is often ordered with the FSH and LH tests.
In females, testosterone testing may be done when a woman has irregular or no menstrual periods, is having difficulty getting pregnant, or appears to have masculine features. Testosterone levels can also rise because of tumors that develop in either the ovary or adrenal gland or because of other conditions, such as polycystic ovarian syndrome (PCOS).
Fasting Required: No
CPT Code: 84403
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