1. Submission Criteria




Recommended isolate

P. aeruginosa that are resistant to at least one imipenem, meropenem, or doripenem AND Nonsusceptible (intermediate or resistant) to cefepime or ceftazidime

Escherichia coli, Klebsiella oxytoca, Klebsiella pneumoniae and Enterobacter spp. that are resistant to any imipenem, meropenem, doripenem, or ertapenem.

Providenicia, Proteus, Morganella, Citrobacter and Serratia that are resistant to any meropenem, doripenem, or ertapenem. 

CLSI breakpoints

 New left Antibiotic chart green

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Specimen type

Any: non-inhibitory, non-selective agar plate or slant (e.g. Sheep blood agar, Tryptic soy agar, etc.), broth    

Lab testing offered

MALDI-TOF mass spectrometry

Antimicrobial susceptibility testing (AST)

Modified Carbapenem Inactivation Method (mCIM)

Real-time polymerase chain reaction (PCR) 

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Last updated November 2, 2021