The Calprotectin Rapid Test Cassette (Feces) is a rapid chromatographic immunoassay for the qualitative detection of Calprotectin in human feces specimen which might be useful for the diagnosis of inflammatory gastrointestinal disorders.Calprotectin is a 24 kDa dimer of calcium binding proteins S100A8 and S100A9. The Calprotectin Rapid Test Cassette (Feces) is a qualitative, lateral flow immunoassay for the detection of Calprotectin in human feces specimen.