Ordering Recommendation

Determine in vitro susceptibility to antimicrobial agents for anaerobic bacterial organisms.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Actively growing organism in pure culture.

Specimen Preparation

Transport sealed container with pure culture on agar slant in anaerobic transport pouch or on a swab in anaerobic transport media. Place each specimen in an individually sealed bag.

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Aerobic conditions. Mixed cultures or nonviable organisms.


Isolate identification and specimen source required.


Ambient: 72 hours; Refrigerated: Unacceptable; Frozen: Unacceptable


Broth Microdilution




5-8 days

Reference Interval

Susceptible or resistant.

Interpretive Data

Compliance Category

Laboratory Developed Test (LDT)


Anaerobic susceptibility testing is appropriate in the case of serious infections involving blood, bone, joint, tissue, or brain abscess.

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.

The following agents are available for testing: ampicillin/sulbactam, amoxicillin/clavulanic acid, cefoxitin, clindamycin, doxycycline, ertapenem, imipenem, meropenem, metronidazole, moxifloxicin, penicillin G, piperacillin/tazobactam, tigecycline, and vancomycin. Selective reporting by organism and source. Antibiotics other than those listed are available as an individual MIC by request only.

Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
0060202 Susceptibility, Anaerobe 29576-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • anaerobe sensitivity
  • Anaerobe Susceptibility
  • antibiotic sensitivity
  • Antibiotic Susceptibility
  • Bacterial Susceptibility Testing
  • MIC Test, Anaerobic Bacteria
  • Minimum Inhibitory Concentration (MIC)
  • Susceptibility Testing
Antimicrobial Susceptibility - Anaerobe