Determine production of carbapenem-inactivating enzymes in gram negative bacterial organisms.
Disk Diffusion / Chromogenic Assay
New York DOH Approval Status
Actively growing Enterobacteriaceae species or Pseudomonas aeruginosa in pure culture.
Transport sealed container with pure culture on agar slant or in bacterial transport media. Place each specimen in an individually sealed bag.
Mixed cultures or non-viable organisms.
Isolate identification and specimen source required.
Ambient: 1 week; Refrigerated: 48 hours; Frozen: Unacceptable
Carbapenemase production is a common mechanism of carbapenem resistance. For guidance on treatment of carbapenemase producers, consultation with an Infectious Disease physician is recommended.
An additional processing fee will be billed for all organisms not submitted in pure culture, as indicated in the specimen requirements.
If species identification is not provided, identification will be performed at ARUP. Additional charges apply.
CPT codes vary based on method
|Component Test Code*||Component Chart Name||LOINC|
- Carbapenem resistance
- multi-drug resistance
- New-Delhi metallo-B-lactamase