Diagnostic Blood Test:
Rheumatoid Factor (RF)
Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body.
High levels of rheumatoid factor in the blood are most often associated with autoimmune diseases, such as rheumatoid arthritis and Sjogren's syndrome.
Refunds are issued only under special circumstances such as not being able to retrieve a specimen for testing or if the lab is unable to complete the testing and provide results. If any of these conditions have been met, please contact us below to process your refund.
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