Yeast Differentiation by PNA FISH
2004769
 
Ordering Recommendation
Mnemonic
YST FISH
Methodology
Qualitative Peptide Nucleic Acid Fluorescence in situ Hybridization
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Client laboratory identified positive blood culture bottle with yeast from an automated or manual system.  
Specimen Preparation
Transfer 5 mL aliquot of blood from yeast-positive blood culture bottle to a sterile transport tube. Also acceptable: A yeast-positive blood culture bottle. (Min: 1 mL)  
Storage/Transport Temperature
Room temperature.  
Unacceptable Conditions
Negative blood culture. Whole blood, body fluid, or slides.  
Remarks
Provide any stain results performed at client laboratory.  
Stability
Ambient: 48 hours; Refrigerated: Unacceptable; Frozen: Unacceptable  
Reference Interval
Interpretive Data
Candida krusei is intrinsically resistant to fluconazole. C. glabrata and C. tropicalis may be resistant to fluconazole. Consult your institution's antibiogram or an infectious disease physician for guidance on empiric therapy.
Note
This is a presumptive result; definitive yeast identification should be performed from subculture.

For fungal identification, refer to Fungal (Mold/Yeast) Identification (ARUP test code 0060163). For fungal susceptibility, refer to Antimicrobial Susceptibility - Fungal (Yeasts and Molds) (ARUP test code 2009257).
CPT Code(s)
87149
Components
Component Test Code*Component Chart Name
2004770Yeast PNA FISH Result
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Candida albicans
  • Candida glabrata
  • Candida krusei
  • Candida parapsilosis
  • Candida tropicalis