Description of Test
A testosterone level test is a blood test that measures the amount of testosterone hormone in the blood. Testosterone is the primary male hormone, but both males and females have it in their bodies. Testosterone is essential for sexual and reproductive development, maintaining muscle mass, and sex drive. The test is used to diagnose conditions caused by too much or too little testosterone, such as reduced sex drive, infertility, erectile dysfunction, and thinning of the bones. The test can also help find the reason for missing periods, not having periods, having a hard time getting pregnant, or experiencing male patterns of hair growth.
Indications of the Test
This test measures the amount of the male hormone, testosterone, in the blood. It is essential for maintaining overall health, sex drive, fertility, and muscle mass.
There are no specific instructions for patient preparation. However, it is recommended to have a blood test done in the morning, as testosterone levels can vary depending on the time of day.
Typical Reference Values
- Male: 300 to 1,000 nanograms per deciliter (ng/dL) or 10 to 35 nanomoles per liter (nmol/L)
- Female: 15 to 70 ng/dL or 0.5 to 2.4 nmol/L
Turn Around Time
The turnaround time for this test is usually 2-3 days.
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