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Test Code LAB1294 Fungal Culture, Cutaneous

Important Note

For other sources refer to test:

For the source of blood, refer to test:

For KOH prep, also order test:

Useful For

Isolating and identifying fungi and/or yeast.

Methodology

Conventional Biochemical Identification Methods

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

 

Specimen Type: Hair

Container/Tube: Sterile container

Specimen Volume: 10-12

Collection Instructions:

  1. Using forceps collect affected hairs with shaft intact.
  2. Submit specimen in a sterile container labeled with patient’s name (first and last), date and actual time of collection, and type of specimen.

Specimen Type: Nails

Container/Tube: Sterile container

Specimen Volume: Entire collection

Collection Instructions:

  1. Wipe the nail with 70% alcohol using gauze (not cotton).
  2. Clip away a generous portion of the affected area.
  3. Collect material or debris from under the nail.
  4. Submit specimen in a sterile container labeled with patient’s name (first and last), date and actual time of collection, and type of specimen.

Specimen Type: Skin

Container/Tube: Sterile container

Specimen Volume: Entire specimen

Collection Instructions:

  1. Cleanse the affected area with 70% alcohol.
  2. Gently scrape the surface of the skin at the active margin of the lesion, being careful to not draw blood.
  3. Submit specimen in a sterile container labeled with patient’s name (first and last), date and actual time of collection, and type of specimen.

Specimen Transport Temperature

Ambient/Refrigerated

Specimen Stability

 

Specimen Type Temperature Time
Skin, Hair or Nails in sterile container Ambient 7 days

 

Reference Values

Negative

Additional Information

  • Testing does NOT include a KOH prep.

  • If positive, fungus will be referred to a reference laboratory for identification, at an additional charge.

  • Specimen source is required.
  • Upon request, susceptibilities will sent to the Fungus Testing Laboratory at the University of Texas Health Science Center at San Antonio, at an additional charge.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

87101-Culture, fungi (mold or yeast) isolation with presumptive identification of isolates; skin, hair, or nail

87186-Yeast, susceptibility, each drug (if appropriate)

87187-Susceptibility for amphotericin B, natamycin, nystatin, yeast and mold  (if appropriate)

87188-Mold susceptibility, each drug (if appropriate)