Test Overview

Test Methodology

Minimum Inhibitory Concentration (MIC)

Test Usage

To determine the in vitro susceptibility or resistance of fungi (molds) to antifungal agents.

Reference Range*

Results reported in mcg/mL. The MIC is the minimum concentration required to inhibit the organism.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed


Soft Order Code




Voriconazole, Fungus (MIC)
Caspofungin, Fungus (MIC)
Miconazole, Fungus (MIC)
Itraconazole, Fungus (MIC)
Fluconazole, Fungus (MIC)
Ketoconazole, Fungus (MIC)
Amphotericin B, Fungus (MIC)
Fungus, Antibiotic Susceptibility
Susceptibility Testing, Fungus
Posaconazole, Fungus (MIC)
Nystatin, Fungus (MIC)
5-Fluorocytosine, Fungus (MIC)
Natamycin, Fungus (MIC)
Grisiofulvin, Fungus (MIC)
Terbinafine, Fungus (MIC)
Terconazole, Fungus (MIC)
Clotrimazole, Fungus (MIC)

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Laboratory Reference

Mayo Wild 102 (ZW102) (UT Health Science Center at San Antonio)

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Specimen Requirements

Offsite Collection Instructions

Test performed on isolated organism in pure culture. Send infecting mold on Sabouraud dextrose agar slant; agar plates are not acceptable. Place sealed agar slant inside clear, liquid tight SAF-T-PAK bag and seal tape liner. Place sealed bag and requisition inside white biohazard SAF-T-PAK envelope and seal. Transport at room temperature. Include antimicrobial(s), culture site, and suspected organism identification on requisition. Available drugs include Amphotericin B, Nystatin, Natamycin, 5-Fluorocytosine, Caspofungin, Fluconazole, Itraconazole, Ketoconazole, Voriconazole, Posaconazole, Miconazole, Clotrimazole, Terconazole, Terbinafine, and Grisiofulvin. Physician must specify drug(s) to be tested.

Additional Information

Test is sent to Mayo Medical Laboratories; performed by UT Health Science Center at San Antonio. Note that due to CDC regulations, Organism Identification must be performed at Mayo Medical Laboratories prior to being forwarded to UT Health Sciences Center. Organisms on the CDC Select Agents and Toxins list should be shipped directly to the testing laboratory.

Billing Information

Fee Codes

CPT Code

87188 each, 87187 if applicable

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