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Rheumatoid factor (RF), Serum

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Rheumatoid factor (RF), Serum

Accredited Facility E-report Qualified Specialists

This test is done to detect rheumatoid factor, an autoantibody produced by the immune system that can attack healthy tissues. It is commonly associated with rheumatoid arthritis but can also be seen in other autoimmune diseases and chronic infections. It helps support diagnosis and assess disease activity alongside other clinical findings.

  • If there is joint pain, swelling, or stiffness.
  • If rheumatoid arthritis is suspected.
  • If autoimmune joint disease needs evaluation.
  • If a healthcare provider is assessing chronic inflammatory conditions.
  • No fasting is required.
  • No special preparation is usually needed.
  • Inform your healthcare provider about immune-related medications.
  • Follow any instructions provided by the laboratory or healthcare provider.
    • Rheumatoid factor (RF), Serum
    No labs currently offering this test.