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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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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Joint pain, redness, or swelling? Examining synovial fluid, which surrounds and lubricates your joints, may reveal what is causing the problem.
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Kidney stones are collections of crystals in the urinary tract that cause intense pain. Learn about the types of kidney stone tests and when they may be used.
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Psoriatic arthritis causes symptoms in both the skin and the joints. Learn about tests that may be used to diagnose and manage this chronic disease.
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Gastrin is a hormone that regulates the production of acid in the stomach during the digestive process. The gastrin test helps diagnose tumors called gastrinomas, Zollinger-Ellison (ZE) syndrome, and hyperplasia of G-cells.
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