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False Positive Tests Associated with Rheumatoid Factor (RF)

Specialty:

Clinical Laboratory
Obstetrics & Gynecology
Cardiology
Emergency Medicine
Critical Care

Objective:

ICD-10:

Description:

Rheumatoid factor (RF) ia an autoantibody that binds to the Fc portion of IgG. This binding can result in false positive results in tests that employ IgG antibodies (ELISA, latex agglutination, etc).

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