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Lab Test Dictionary

Culture, Fungus, Skin, Hair or Nails (39515)


Fungal Culture, Isolation and Identification



Specimen Type

See Below

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

28-35 Days

Collection Information

Specimen Required

Skin, Hair or Nails

Container Type

Sterile Container

Collection Instructions

Remove hairs with forceps, scrape skin or scalp scales, clip nails and include keratin scrapings. Cleanse skin with alcohol before scraping. Cleanse feet and hands before collecting nails. Refrigeration is not recommended because it can inhibit dermatophytes.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 7 Days; Refrigerated: Not recommended; Frozen: Unacceptable

Processing Instructions

Indicate source in commnents, on specimen and on batch sheet.


If culture is positive, ID will be performed at an additional charge. DNA Sequencing and Direct Probe are additional ID methods. If the organism cannot be identified by the original method or if there are multiple organisms, either may be performed at an additional charge. Possible add on codes: 90272, 92265, 90273, 92267, 92268.

CPT Codes