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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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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Drug testing detects evidence of drug use. Learn about types of drug tests, when drug testing is used, and interpreting drug test results.
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Gout is a common form of arthritis that causes episodes of intense pain and swelling in the joints. Learn more about tests that are used to diagnose gout.
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