The human Calprotectin ELISA kit is to be used for the in vitro quantitative determination of human Calprotectin in feces, plasma, serum, sputum and urine samples. This kit is intended for laboratory research use only and is not for use in diagnostic or therapeutic procedures. The kit cannot be used for quantification of the individual MRP-8 (S100A8) or MRP-14 (S100A9) proteins. The analysis should be performed by trained laboratory professionals.