FNST – “Fungal Stain”

Update to CPT code, specimen requirements, alternate specimen, rejection criteria, stability, methodology, and turnaround time.

CPT Code(s): 87206

Collect: Body fluid, lower respiratory tract specimens, urine or tissue

Specimen Preparation: Send 3.0 mL or 3.0 grams body fluids, lower respiratory tract specimens, urine or fresh (unfixed) tissue collected in sterile, leak-proof container. 

Minimum Volume: 1.0 mL or 1 g, 1 swab

Alternate Specimen: 1.0 mL or 1 swab wood, exudates, aspirates, lesion material, ocular specimens collected in a sterile, leak-proof container, Amies liquid or gel swab system or Stuarts or ESwab

Rejection Criteria: Whole blood, Stool 

Stability: Room temperature: 72 hours
                Refrigerated: 72 hours
                Frozen: Unacceptable

Methodology: Calcofluor White Stain

Turnaround Time: 3 – 5 days