Dermatophyte (ringworm) culture and identification includes a KOH wetmount, fungal culture, and identification using microscopic and macroscopic evaluation. Antimicrobial sensitivity testing is not performed on fungal isolates. If identification is not possible, identification by gene sequencing may be required (at an additional charge.)

Please review the sample collection guidelines for dermatophyte culture in the Reference Guide.


Test Code:     RWORM (Dermatophyte culture)
Test Code:     RWORM2 (Dermatophyte follow up culture)

Test Days:M-Sat
Turn Around Time (Days):30 days

Hair, nails, or skin scraping (do NOT submit scalpel blades)
Toothbrush samples (for subclinical carriage only)
Swabs are NOT appropriate for Dermatophyte culture.


Sterile, wide-mouth container.
No paper envelopes.
Swabs are NOT appropriate for dermatophyte culture.

Handling/ Storage:


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