Antimicrobial Susceptibility - Fungal (Yeasts and Molds)
Also known as: MA FUNGAL
Use
This test is used to determine the in vitro susceptibility of fungal organisms, including yeasts and molds, to a range of antifungal agents. Interpretive data include designations like susceptible, intermediate, susceptible dose dependent (SDD), or resistant. The test helps clinicians in selecting appropriate antifungal treatments for infections.
Special Instructions
Isolate identification and specimen source are required for the testing process. Not all antifungal agents are tested at ARUP; some are referred to the Fungus Testing Laboratory at UT Health Science Center at additional charges. An extra fee is billed for organisms not submitted in pure culture. If species identification is not provided or is incorrect, ARUP performs the identification at an additional charge.
Limitations
The susceptibility testing of some molds may not be clinically relevant (e.g., Penicillium species or Cladosporium species). Certain antifungal agents might not attain effective concentrations in all body sites, notably in vitreal, cerebrospinal fluid, and urinary tracts. Some fungi, such as Blastomyces dermatitidis and Histoplasma capsulatum, are not tested at ARUP, and specimens are sent elsewhere for testing. Testing is not applicable to isolates from environmental sources.
New York Approved
Methodology
Culture-based
Biomarkers
LOINC Codes
- 29577-4
Result Turnaround Time
2-21 days
Related Documents
For more information, please review the documents below
Specimen
Other
Volume
Not provided
Minimum Volume
Not provided
Container
Sealed container with pure culture on agar slant.
Collection Instructions
Actively growing mold or yeast isolate in pure culture.
Storage Instructions
Transport at room temperature in individually sealed bags.
Causes for Rejection
Mixed cultures or nonviable organisms
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 2 weeks |
| Refrigerated | 2 weeks |
| Frozen | Unacceptable |