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Is rheumatoid arthritis related to rheumatoid factor?

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High levels of rheumatoid factor can show up in people with severe rheumatoid arthritis. But even if the test results show you have a high level of it, your doctor will want to do other tests before he or she makes a diagnosis. Your doctor will also examine you and may order other types of lab tests, such as X-rays, an MRI, an ultrasound, or other scans.

From: What Is the Rheumatoid Factor Test? WebMD Medical Reference

SOURCES:

American Association for Clinical Chemistry: "Rheumatoid Factor."

CDC: "Rheumatoid Arthritis."

National Institute on Arthritis and Musculoskeletal and Skin Diseases (NIAMD): "Rheumatoid Arthritis."

Arthritis Today: "How is Rheumatoid Arthritis Diagnosed?"

Shmerling, R.H, , 1991. The American Journal of Medicine

de Vries-Bouwstra, J.K., , 2008. Arthritis Rheum

McIlwain, H., , 2003. Pain Free Arthritis

American College of Rheumatology: "Rheumatoid Arthritis."

Reviewed by David Zelman on November 4, 2018

SOURCES:

American Association for Clinical Chemistry: "Rheumatoid Factor."

CDC: "Rheumatoid Arthritis."

National Institute on Arthritis and Musculoskeletal and Skin Diseases (NIAMD): "Rheumatoid Arthritis."

Arthritis Today: "How is Rheumatoid Arthritis Diagnosed?"

Shmerling, R.H, , 1991. The American Journal of Medicine

de Vries-Bouwstra, J.K., , 2008. Arthritis Rheum

McIlwain, H., , 2003. Pain Free Arthritis

American College of Rheumatology: "Rheumatoid Arthritis."

Reviewed by David Zelman on November 4, 2018

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How is a rheumatoid factor test administered?

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