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Rheumatoid Factor

Rheumatoid Factor

£13.50
Measures rheumatoid factor (RF), an antibody linked to autoimmune issues like rheumatoid arthritis. Elevated levels may indicate joint inflammation or immune dysfunction—even without clear symptoms.
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About this test

  • Persistent joint pain or stiffness (especially in the morning)
  • Swelling, redness, or warmth in joints
  • Fatigue or generalised low energy
  • Low-grade fever
  • Unintended weight loss
  • Muscle aches or weakness
  • Numbness or tingling in the hands or feet
  • Dry eyes or dry mouth
  • Difficulty performing daily tasks due to joint discomfort
  • No symptoms at all in early or mild autoimmune activity

Recommended for individuals experiencing persistent joint pain, stiffness, or swelling—especially in the hands, wrists, or knees. Ideal for those with a family history of autoimmune conditions, unexplained fatigue, or generalised inflammation. Also suitable for anyone seeking early detection of rheumatoid arthritis or monitoring known autoimmune disorders, even in the absence of obvious symptoms.

  • Rheumatoid arthritis (early to advanced stages)
  • Sjögren’s syndrome
  • Systemic lupus erythematosus (SLE)
  • Mixed connective tissue disease
  • Chronic infections (e.g. hepatitis C, tuberculosis)
  • Inflammatory lung conditions (e.g. interstitial lung disease)
  • Vasculitis or other autoimmune-related vascular inflammation
  • Juvenile idiopathic arthritis (in some cases)
  • Sarcoidosis
  • Occasional elevation in healthy individuals without disease

Symptoms

  • Persistent joint pain or stiffness (especially in the morning)
  • Swelling, redness, or warmth in joints
  • Fatigue or generalised low energy
  • Low-grade fever
  • Unintended weight loss
  • Muscle aches or weakness
  • Numbness or tingling in the hands or feet
  • Dry eyes or dry mouth
  • Difficulty performing daily tasks due to joint discomfort
  • No symptoms at all in early or mild autoimmune activity

Who should be test

Recommended for individuals experiencing persistent joint pain, stiffness, or swelling—especially in the hands, wrists, or knees. Ideal for those with a family history of autoimmune conditions, unexplained fatigue, or generalised inflammation. Also suitable for anyone seeking early detection of rheumatoid arthritis or monitoring known autoimmune disorders, even in the absence of obvious symptoms.

When to test

  • Rheumatoid arthritis (early to advanced stages)
  • Sjögren’s syndrome
  • Systemic lupus erythematosus (SLE)
  • Mixed connective tissue disease
  • Chronic infections (e.g. hepatitis C, tuberculosis)
  • Inflammatory lung conditions (e.g. interstitial lung disease)
  • Vasculitis or other autoimmune-related vascular inflammation
  • Juvenile idiopathic arthritis (in some cases)
  • Sarcoidosis
  • Occasional elevation in healthy individuals without disease

What's measured

What gets tested