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South West London Pathology > Tests > Rheumatoid factor

Rheumatoid factor

Category Immunology and PRU
Reporting frequency 7 days

Additional information

Possible clinical association – rheumatoid arthritis. Low concentrations may be seen in the elderly and in patients with chronic infections. Lacks sensitivity for monitoring R.A. – use CRP.

Reference range: <20 IU/mL

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