Is rheumatoid factor (RF) specific to rheumatoid arthritis (RA)?

Updated: Feb 07, 2020
  • Author: Howard R Smith, MD; Chief Editor: Herbert S Diamond, MD  more...
  • Print
Answer

RF is not specific for RA but is also present in other connective tissue diseases, infections, and autoimmune disorders, as well as in 1-5% of healthy people. The presence of RF predicts radiographic progression of bone erosions, independent of disease activity. [41]


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!