Ordering Recommendation

Determine in-vitro susceptibility of bacterial organisms to antimicrobial agents. Organism-specific antimicrobial susceptibility tests are recommended. Search “antimicrobial susceptibility” for available organism-specific tests.




Broth Microdilution/Disk Diffusion/Gradient Diffusion




2-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation

Actively growing isolate in pure culture.

Specimen Preparation

Transport sealed container with pure culture on agar slant.   Place each specimen in individually sealed bag.

Storage/Transport Temperature

Room temperature. If culture is suspected of being a microorganism identified on the IATA list as an infectious substance affecting humans,  submit specimen according to Infectious Substance, Category A, shipping guidelines.

Unacceptable Conditions

Mixed cultures or non-viable organisms.


Isolate identification and specimen source required.


Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable

Reference Interval

Susceptible, intermediate, or resistant.
Units = µg/mL

Interpretive Data

Compliance Category

Depends on Specimen/Source/Method


Aerobic susceptibility testing is organism dependent.  Various methods are used and various agents are reported.  Specific antibiotics to be tested should be indicated on the test request in order to ensure their inclusion in the panel.

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 may vary based on method.


Component Test Code* Component Chart Name LOINC
0060200 Susceptibility Not Specified 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.


  • Aggregatibacter, Anaerobe
  • Antibiotic Susceptibility
  • Antibiotic Susceptibility Panel
  • Antimicrobial Susceptibility, Aerobic Bacteria
  • Bacterial Susceptibility Testing
  • Enterococcus
  • Extended Spectrum Beta-Lactamase (ESBL)
  • Fastidious
  • Haemophilus
  • MIC (Minimum Inhibitory Concentration)
  • MIC panel, single drug MIC
  • Minimum Inhibitory Concentration (MIC)
  • Mold
  • Nocardia
  • Non-Fermenting Gram Negative Rod
  • Pneumococcus Susceptibility
  • Rapid Growing Mycobacteria
  • Slow Growing Mycobacteria
  • Staphylococcus
  • Streptococcus pneumoniae
  • Streptococcus pneumoniae Susceptibility
  • Viridans Streptococcus
  • Yeast
Antimicrobial Susceptibility - Not Otherwise Specified