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Rheumatoid Arthritis (RA) Factor

  • Direct-to-consumer lab testing; No doctor referral or insurance necessary
  • 2,000+ conveniently located CLIA-certified U.S. labs
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  • Results in 1-2 days

$ 39.00

Rheumatoid Arthritis (RA) Factor

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The Rheumatoid Arthritis blood test detects the level of the Rheumatoid Factor (RF) antibody present in persons with rheumatoid arthritis. A high level of RF may be caused by rheumatoid arthritis, acute infections, or other autoimmune diseases. A significant deviation from the normal range may require further evaluation by your physician.