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Definition of «Factor, rheumatoid»

Factor, rheumatoid: See rheumatoid factor.

For More Information «Factor, rheumatoid»

  • Rheumatoid Factor: The Test

    This test detects and measures rheumatoid factor (RF) in the blood. RF is an autoantibody, an IgM (immunoglobulin M) protein that is produced by the body's immune system.

  • What Is Rheumatoid Factor?

    About 80% of patients with rheumatoid arthritis test positive for rheumatoid factor. The other 20% have seronegative rheumatoid arthritis.

  • Rheumatoid Factor (RF) Blood Test Results and Significance on ...

    Read about the rheumatoid factor (RF) blood test used for the diagnosis of rheumatoid arthritis, lupus and sarcoidosis. Elevated results, or high levels, indicate severe ...

  • Rheumatoid factor

    Rheumatoid factor — Overview covers definition, risks, results of rheumatoid factor blood test.

  • Rheumatoid Factor Test for RA

    WebMD explains the rheumatoid factor test for RA, including how it's done, how to prepare, and what the results mean.

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