Previous Product Next Product Rheumatoid Factor $40.00 Helps diagnose rheumatoid arthritis and investigate symptoms related to autoimmune disorders. Rheumatoid Factor quantity Add to cart Category: Individual Testing Description Description Rheumatoid Factor Related products Quick View Quick View Individual TestingExtractable Nuclear Antigen Antibodies (Anti- SSA, Anti- SSB) $149.00 Add to cart Quick View Quick View Individual TestingCancer Antigen 125 (CA 125) $109.00 Add to cart Quick View Quick View Individual TestingFibrinogen $189.00 Add to cart