PLAC Test Calibrator Kit, Five-level liquid calibrator set for use with the diaDexus PLAC Test Reagent Kit, assembled in a kit box with an outer label, Catalog numbers 90108 and 10-0108, manufactured by diaDexus inc., South San Francisco, CA. || Intended to establish points of reference that are used in the determination of values in the determination of Lp-PLA2 by the PLAC Test Reagent Kit.