1. Submission Criteria
Isolates that meet the criteria identified in the table below should be submitted to DSHS for further testing.
CRPA |
CRE |
CRAB |
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Recommended Isolates(s) |
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. |
Acinetobacter baumanii that are resistant to imipenem, meropenem, or doripenem by standard susceptibility testing methods. |
CLSI breakpoints (Minimum Inhibitory Concentrations) |
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Specimen type |
Any non-inhibitory, non-selective agar plate or slant (e.g. Sheep Blood Agar, Tryptic Soy Agar, etc.), or broth |
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Lab testing offered |
MALDI-TOF mass spectrometry Antimicrobial susceptibility testing (AST) Modified Carbapenem Inactivation Method (mCIM) Note: For CRE and CRPA only. Real-time polymerase chain reaction (PCR) |