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Rheumatoid Factor (Rf) IgA IgG IgM

Test Name

Rheumatoid Factor (Rf) IgA IgG IgM

Also known as

Symptoms | Disorders | Treatments

About test

The concentration of RF tends to be highest when the disease peaks and tends to decrease during prolonged remission. Increased RF levels may also accompany a variety of acute immune responses, particularly viral infections and a number of liver diseases (infectious mononucleosis, tuberculosis, leprosy, various parasitic diseases, liver disease, sarcoidosis, and systemic lupus erythematosus).

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