Rheumatoid Factor (Rf) Rheumatoid Factor (Rf)


Test Name Rheumatoid Factor (Rf)
Also known as Rheumatoid Factor Quantitation (Serum), RA Factor Quantitation (Serum)
Sample Required Blood or Serum
Special Instruction
Symptoms | Disorders | Treatments
About test High RF levels may be caused by: Rheumatoid arthritis. Other autoimmune diseases, such as systemic lupus erythematosus (SLE), scleroderma, Sjögren's syndrome, and vasculitis. Infectious diseases, such as tuberculosis, mononucleosis, syphilis, and malaria.
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