RF IgM (ELISA)

• The test material is blood.
• Pacjent nie musi być na czczo.Na ok. 30 min. przed badaniem wskazane jest wypicie szklanki wody.

Rheumatoid factor RF is an autoantibody that is most commonly found in the IgM class (85%), but can also be found in IgG, IgA, IgE classes , but RF in classes other than IgM has no diagnostic significance.

In many cases, it serves as a marker of autoimmune processes going on in the body.

Elevated RF IgM values are found in:
- rheumatoid arthritis (RA),
- systemic lupus erythematosus,
- Sjögren's Syndrome,
- polymyositis and dermatomyositis,
- systemic scleroderma,
- chronic lung diseases,
- cancer,
- endocarditis,
- tuberculosis, syphilis, sarcoidosis, viral infections,
- liver disease, kidney disease.

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