HardyCHROM™ CRE (Carbapenem-Resistant Enterobacteriaceae) is a selective and differential chromogenic agar medium intended for the qualitative and presumptive detection from stool specimens of Escherichia coli that are non-susceptible to carbapenems as pink colonies and KES (Klebsiella aerogenes, Klebsiella oxytoca, Klebsiella pneumoniae, Enterobacter cloacae complex, and Serratia marcescens) that are non-susceptible to carbapenems as blue colonies.
Key Points:
- Non-susceptible E. coli produces colonies that are rose to magenta in color with darker pink centers.
- Klebsiella, Enterobacter, and Serratia spp. produce large, dark blue colonies (with or without a pink halo), are presumptive positive for carbapenem non-susceptible KES (Klebsiella aerogenes, Klebsiella oxytoca, Klebsiella pneumoniae, Enterobacter cloacae complex, and Serratia marcescens).
- Colonies that are not pink to magenta, blue, or blue with pink halos are negative – No carbapenem non-susceptible Escherichia coli or KES detected.
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