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Rheumatoid Factor (RF)

Also known as: RF
Formal name: Rheumatoid Factor
Related tests: ANA, Autoantibodies, CCP (Cyclic Citrullinated Peptide Antibody), ESR, CRP, ENA panel, Synovial Fluid Analysis

Why should I do it?
To help diagnose rheumatoid arthritis (RA) and Sjögren syndrome

When should I do it?
When you have fatigue, joint pain, weakness, or dry eyes or dry mouth that your doctor suspects may be due to RA or Sjögren syndrome

What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm

Test Preparation Needed?
None