5-Flucytosine Level

Abbrev Code:FLUCY   
Order Code:LAB6053Order Name:Flucytosine Level
Synonyms:Antifungal Level; 5-Fluorocytosine; Fungus
CPT Codes: 80299 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-3 days.
Special Instructions:
Required information:
  • Time and date of collection.
  • Time of last Flucytosine dose.
  • A list of antibiotics the patient has received in the last 48 hours.
Also available on CSF. Please contact ARUP Client Services at (800) 522-2787 for further information.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:2.2 mL
Container:Red (no gel)
Causes for Rejection:Plasma or non-frozen specimens.
Contraindications:Patient receiving Fluconazole or Ketoconazole simultaneously will interfere with assay.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 1 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:60846


Therapeutic Range:30-45 ug/mL

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