Testosterone, Total Blood Test
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Test Code: 004226
Specimen Type: Blood
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Description:
Testosterone Blood Test (Labcorp)
The total testosterone test measures Testosterone levels in the blood. Testosterone is the primary male sex hormone. However, it is present in both men and women. In men, testosterone is produced primarily in the testicles. Small amounts of testosterone are produced by the ovaries in women and the adrenal glands in both sexes. Testosterone stimulates the development of secondary sex characteristics during puberty in men. In adult men, testosterone regulates sex drive and helps maintain muscle mass. Luteinizing Hormone (LH), which is produced by the Pituitary Gland, controls how much testosterone is produced. A testosterone blood test can help to diagnose the cause for a number of conditions in men such as delayed or early puberty, erectile dysfunction, and testicular tumors. It can also help evaluate conditions that affect both men and women such as decreased sex drive, infertility, and pituitary disorders.
What are the symptoms of low testosterone?
Low testosterone levels in men can cause erectile dysfunction, loss of muscle mass, fertility issues, or decreased sex drive.
When should you check your testosterone levels?
Online testosterone testing is commonly ordered for men who are experiencing symptoms of low T. It may also be ordered for boys who are showing signs of delayed or early puberty.
A testosterone test may be ordered for women who are having irregular menstrual periods, have difficulty becoming pregnant, or are experiencing symptoms such as hair loss, low voice, and excessive facial or body hair.
A testosterone blood test is often ordered with a Sex hormone-binding Globulin, Follicle Stimulating Hormone (FSH), Luteinizing Hormone (LH), or other hormone tests.
While a total testosterone test is most common, certain conditions may make a test for Free Testosterone more useful.
How long does a Testosterone test take?
The typical turnaround time for this test is 1-3 business days.
Where can I find a Testosterone, Total test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Requirements:
It is recommended that someone taking Biotin (also known as vitamin B7 or B8, vitamin H, or coenzyme R) stop consumption at least 72 hours prior to the collection of a sample.
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