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Housecall, our weekly general-interest e-newsletter, keeps you up to date on a wide variety of health topics with timely, reliable, practical information, recipes, blogs, questions and answers with Mayo Clinic experts and more. Our biweekly topic-specific e-newsletters also include blogs, questions and answers with Mayo Clinic experts, and other useful information that will help you manage your health.
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By Mayo Clinic staffDuring a rheumatoid factor test, a small sample of blood is drawn from a vein in your arm. This typically takes just a few minutes. You can then go about your day. Your blood sample is sent to a laboratory for testing.
References
- Shmerling RH. Origin and utility of measurement of rheumatoid factors. http://www.uptodate.com/home/index.html. Accessed Sept. 2, 2008.
- Tighe H, et al. Rheumatoid factor. In: Harris ED, et al. Kelley's Textbook of Rheumatology. 7th ed. Philadelphia, Pa.: Saunders Elsevier; 2005. http://www.mdconsult.com/das/book/body/103645283-2/0/1257/0.html. Accessed Sept. 2, 2008.
- Rheumatoid factor. Lab Tests Online. http://www.labtestsonline.org/understanding/analytes/rheumatoid/multiprint.html. Accessed Sept. 8, 2008.
- Chang-Miller A (expert opinion). Mayo Clinic, Scottsdale/Phoenix, Ariz. Sept. 20, 2008.
