Ordering Recommendation

Determine in vitro susceptibility to antimicrobial agents for Nocardia spp. and other aerobic actinomycetes.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Actively growing Nocardia isolate in pure culture.

Specimen Preparation

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

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Mixed cultures or nonviable organisms.


Isolate identification and specimen source required.


Ambient: 1 month; Refrigerated: 2 weeks; Frozen: Unacceptable


Broth Microdilution




5-10 days

Reference Interval

Susceptible, intermediate, or resistant.

Interpretive Data

Susceptibility testing is performed by broth microdilution using custom-made MIC panels and interpreted according to CLSI guidelines.

Compliance Category

Laboratory Developed Test (LDT)


The following agents are available for testing: amikacin, ciprofloxacin, clarithromycin, doxycycline, imipenem, linezolid, moxifloxacin, tigecycline, tobramycin, and trimethoprim/sulfamethoxazole. Selective reporting by organism.

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



Component Test Code* Component Chart Name LOINC
0060193 Susceptibility, Nocardia 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.


  • Actinomycetes
  • Antimicrobial Susceptibility, Nocardia species
  • Nocardia Susceptibility Panel
Antimicrobial Susceptibility - Nocardia