Anti-rheumatoid factor antibodies (RF IgM)

The test detects IgM antibodies against the rheumatoid factor. It is helpful in diagnosing diseases such as rheumatoid arthritis (RA), vasculitis, systemic lupus erythematosus, and systemic sclerosis.

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Test description

Rheumatoid Factor (RF IgM) Antibody Test

The rheumatoid factor (RF IgM) antibody test detects proteins produced by the immune system that attack the body's own tissues. The presence of RF IgM is often associated with rheumatoid arthritis and aids in diagnosing this condition.

When to Perform the Test?

This test is conducted as an aid in diagnosing diseases such as rheumatoid arthritis (RA), vasculitis, systemic lupus erythematosus, and systemic sclerosis, where RF IgM antibodies, along with medical history and physical examination, can be helpful. Its presence typically indicates ongoing inflammation in the body.

Diseases

The rheumatoid factor (RF IgM) antibodies are measured when diagnosing conditions such as rheumatoid arthritis (RA), vasculitis, systemic lupus erythematosus, and systemic sclerosis.

Symptoms

The rheumatoid factor (RF IgM) antibody test is conducted when symptoms such as swelling, increased warmth, skin redness, morning stiffness, and joint pain limiting movement (initially in the hands and wrists) are observed. Untreated RA leads to higher mortality due to cardiovascular events (heart attack, stroke).