Ordering Recommendation
Determine production of carbapenem-inactivating enzymes in gram negative bacterial organisms.
Mnemonic
Methodology
Disk Diffusion/Chromogenic Assay
Performed
Sun-Sat
Reported
2-4 days
New York DOH Approval Status
Specimen Required
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.
Room temperature.
Mixed cultures or non-viable organisms.
Isolate identification and specimen source required.
Ambient: 1 week; Refrigerated: 48 hours; Frozen: Unacceptable
Reference Interval
Negative
Interpretive Data
Carbapenemase production is a common mechanism of carbapenem resistance. For guidance on treatment of carbapenemase producers, consultation with an Infectious Disease physician is recommended.
Standard
Note
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.
Hotline History
CPT Codes
CPT codes vary based on method
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2001503 | Susceptibility, Carbapenemase |
Aliases
- Carbapenem resistance
- carbapenem-resistance
- carbapenems
- Enterobacteriaceae
- KPC
- MDR
- multi-drug resistance
- NDM
- New-Delhi metallo-B-lactamase