The Calprotectin Immunoturbidimetric Assay is an in vitro diagnostic particle-enhanced immunoassay intended for use by trained laboratory personnel for the quantitative measurement of fecal calprotectin, a neutrophilic protein that is a marker of intestinal mucosal inflammation, in human stool.

For In Vitro Diagnostic Use as an aid in the diagnosis of inflammatory bowel disease and the differentiation between inflammatory bowel disease and irritable bowel syndrome in the United States, Canada, and the European Union.