Rheumatoid Factor
Also known as: RF
Related tests: ANA; Autoantibodies; CCP (Cyclic Citrullinated Peptide Antibody)
At a Glance
Why Get Tested?
To help diagnose rheumatoid arthritis (RA) and Sjögren’s syndrome
When to Get Tested?
When your doctor thinks that you have symptoms suggestive of RA or Sjögren’s syndrome
Sample Required?
A blood sample taken from a vein in your arm
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