HealthWise KnowledgeBase
Rheumatoid Factor (RF)
Why It Is Done
A test for rheumatoid factor is done to help support a diagnosis of rheumatoid arthritis.
This test is also done to find out whether a child who has Reference polyarticular juvenile idiopathic arthritis Opens New Window has elevated rheumatoid factor. This can help determine the likely progression of the disease, and the best treatment for it.
| By: | Reference Healthwise Staff | Last Revised: Reference June 4, 2012 |
| Medical Review: | Reference Anne C. Poinier, MD - Internal Medicine
Reference Kathleen Romito, MD - Family Medicine |
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