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TB Culture
This test screens for tuberculosis by looking for the bacteria in the sputum, urine, or cerebrospinal fluid.
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Free Testosterone
This test measures both your total and free testosterone levels. Having levels that are too high or too low can cause health problems.
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Total Testosterone
This test measures the level of testosterone in your blood. Both men and women make this hormone.
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Theophylline
This test measures the level of the medicine theophylline in your blood. Having too much of this medicine in your body can be life-threatening.
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Thyroid Antibody
This test measures the amount of thyroid antibodies in your blood. The test can help find out whether you have a problem with your thyroid.
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Thyroid-Stimulating Hormone
This test measures your level of TSH, a hormone made by your pituitary gland. You may need this test if you have symptoms of thyroid problems.
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Tricyclic Antidepressant Screen
This test is used to check a sample of blood or urine for tricyclic antidepressants. Although these medicines can be helpful in normal doses, taking too much can be fatal.
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Triglycerides
This test measures the amount of triglycerides in your blood. This test is part of a group of cholesterol and blood fat tests called a fasting lipoprotein panel, or lipid panel.
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Trypsin/Chymotrypsin (Stool)
This test looks for two enzymes from the pancreas, to find out how well the pancreas is working. This test is used for people with cystic fibrosis.
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