RF Fast Test Kit  (Immunofluorescence Assay)   Intended Use RF Fast Test Kit (Immunofluorescence Assay) is intended for in vitro quantitative determination of rheumatoid factor (RF) in serum, plasma or whole blood samples. The test is designed to aid in the diagnosis of autoimmune diseases, such as rheumatoid arthritis (RA).   About RF Rheumatoid factor is an autoantibody targeting the Fc fragment of human or animal denatured IgG molecule. RF mainly includes four types of IgM, IgG, IgA and IgE. IgM is the main type of RF, and this test kit mainly detects this type.   Specification   Test Item Sample Type Method Storage Condition RF S/P/WB Immunofluorescence Assay 4-30℃ Detection Range Test Time Cut-off Value Shelf Life 10.0-640.0 IU/mL 10 min 15.9 IU/mL 24 months   Applicable Device   Getein 1100 Immunofluorescence Quantitative Analyzer Getein 1160 Immunofluorescence Quantitative Analyzer Getein 1180 Immunofluorescence Quantitative Analyzer Getein 1200 Immunofluorescence Quantitative Analyzer Getein 1600 Immunofluorescence Quantitative Analyzer