What you can expect

During a rheumatoid factor test, a small sample of blood is drawn from a vein in your arm. This typically takes just a few minutes. Your blood sample is sent to a laboratory for testing.

May 21, 2016
  1. Firestein GS, et al. Autoantibodies in rheumatoid arthritis. In: Kelley's Textbook of Rheumatology. 9th ed. Philadelphia, Pa.: Saunders Elsevier; 2013. http://www.clinicalkey.com. Accessed May 5, 2016.
  2. Rheumatoid factor. Lab Tests Online. American Association for Clinical Chemistry. https://labtestsonline.org/understanding/analytes/rheumatoid/tab/test. Accessed May 5, 2016.
  3. Shmerling RH. Origin and utility of measurement of rheumatoid factor. http://www.uptodate.com/home. Accessed May 5, 2016.
  4. Ferri FF. Rheumatoid arthritis. In: Ferri's Clinical Advisor 2016. Philadelphia, Pa.: Mosby Elsevier; 2016. https://www.clinicalkey.com. Accessed May 5, 2016.

Rheumatoid factor