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Arthritis Testing

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Arthritis is the leading cause of disability in the United States. Learn about types of arthritis and the role of arthritis testing.
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Influenza Tests

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The flu is a respiratory illness triggered by infection with an influenza virus. Our guide explains the types of flu tests and when and how they may be used.
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Hepatitis Testing

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Hepatitis is inflammation of the liver. Learn more about types of hepatitis and tests that may be used to diagnose, evaluate, and monitor this condition.
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HIV Viral Load

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HIV viral load testing measures the amount of HIV genetic material in the blood. Learn more about this test and how it’s used to guide treatment for HIV.
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CBC Blood Test (Complete Blood Count)

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The complete blood count is an essential test that counts the number, size, and types of cells in your blood. It provides an indication of your overall health.
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Pleural Fluid Testing

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Pleural fluid testing involves multiple measurements and can help diagnose the cause of fluid buildup around the lungs, which is called a pleural effusion.
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Hormone Testing for Women

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Hormone testing in women and people assigned female at birth helps assess pregnancy, infertility, thyroid problems, abnormal menstruation, and menopause.
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Thyroid Function Testing

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Having problems with your metabolism? Testing your thyroid gland function reveals if it is helping your body use and store energy normally.
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T3 Test

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A description of the T3 test - what it is, when to get one, and what to do with your results.
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Osmolality and Osmolal Gap

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Osmolality measures the amount of dissolved substances (e.g., sodium, potassium) in blood and urine. An osmolality test and calculated osmolal gap help determine if someone has ingested a toxin or has a water imbalance.
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