HardyCHROM™ CRE is a selective and differential chromogenic agar medium intended for the
qualitative and presumptive detection from stool specimens of Escherichia coli that are nonsusceptible to carbapenems as pink colonies and KES (Klebsiella aerogenes, Klebsiella oxytoca,
Klebsiella pneumoniae, Enterobacter cloacae complex, and Serratia marcescens) that are nonsusceptible to carbapenems as blue colonies.