The Rheumatoid Factor Rapid Test is a rapid chromatographic immunoassay for the qualitative detection of rheumatoid factor in human serum or plasma as an aid in the diagnosis of rheumatoid arthritis. Result reading within 10 minutes. Sensitivity 98.0 % Specificity 97.7 % Overall accuracy 97.8 % The package includes: 20 individually packaged tests Sample: Whole blood/Serum/Plasma Fast results Easy visual interpretation Simple operation, no equipment required High accuracy