These slide agglutination assay tests are used for the qualitative and semi-quantitative determination of rheumatoid factor in human serum. The simple, five-step procedure provides easy-to-read results in 2 minutes. No initial dilution of patient samples is required. Kits include RF latex reagent, reactive control, nonreactive control, 100 disposable stirrer pipettes and disposable cards. The latex reagent does not require additional preparation.