Acinetobacter species, Carbapenem Resistant

TEST NAME Carbapenem-Resistant Acinetobacter isolate testing
DISEASE/DISORDER Bacterial infection with Acinetobacter species
ALTERNATE NAME(S) CRAB
METHODOLOGY MALDI-TOF, PCR, Antibiotic susceptability testing
SPECIAL INSTRUCTIONS
  • Isolate submission REQUIRED from EIP sites
  • Submissions should include susceptibility test results with MIC values
ORDERING INFORMATION TDOH ARLN Lab Web Portal

Specimen Requirments


Patient Preparation
  • None
Specimen Collection
  • Report Acinetobacter calcoaceticus-baumannii complex with one or more of the following:

Intermediate or resistant interpretation to at least one carbapenem antibiotic (excluding ertapenem)

Detection of carbapenemase production

Detection of at least one carbapenemase-producing gene

  • If detected via NAAT, perform culture to obtain an isolate for subsequent testing to determine the antibiotic susceptibility profile
  • Submit isolates to the TDH Division of Laboratory Services within 3 days of detection/isolation 
Specimen Labeling
  • Specimen must be labeled with at least two unique patient identifiers and match the accompanying TNDOH ARLN Lab Web Portal.
Specimen Processing
  • None
Specimen Storage and Preservation
  • Store specimens at ambient temperature prior to shipping.
Specimen Transportation
  • Ship specimens at ambient temperature.
  • All infectious substance shipments must conform to U.S. Department of Transportation (DOT) Hazardous Materials Regulations (HMR 49 C.F.R. Parts 171-180). 
Specimen Acceptability and Rejection
  • Only pure cultures will be accepted for testing. 
  • Mixed cultures will be rejected.
  • Specimens that are mislabeled will be rejected.
  • Specimens that are broken in transit will be rejected.
  • Specimens received that do not meet the specimen requirements outlined in the Directory of Services or that deviate from the special instructions will not be acceptable for testing. 
Testing Location
  • Nashville

This Page Last Updated: September 16, 2025 at 10:13 PM