"K-ASSAY CRP (3) Calibrator E". || This product is an IVD calibrator for use on automated clinical chemistry analyzers by laboratories. It is used for the calibration of the K-ASSAY CRP (3) immunoturbidimetric assay for quantifying C-Reactive Protein (CRP) in serum and plasma (sodium EDTA or lithium heparin) samples. It is for in vitro diagnostic use.