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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Have questions about laboratory testing? We're here to help you understand your tests and what results might mean for you.
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At-home tests have surged in popularity, but what are their benefits and downsides? Read about the types of at-home tests and when and how they may be used.
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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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Multiple tests are used for COVID-19, the disease caused by the coronavirus SARS-CoV-2. Get the details about the different types and uses of COVID-19 tests.
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A reference range is a set of values with an upper and lower limit of a lab test. Reference ranges help to interpret your results.
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What are the costs and benefits of workplace drug testing? Learn more about the types of workplace drug testing, the laws, and how it’s used in various states and industries.
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