Abbrev Code:VCON   
Order Code:LAB5992Order Name:Voriconazole Level
Methodology:Liquid chromatography-Tandem mass spectrometry (LC/MS/MS)
CPT Codes: 80285 x1
Turnaround Time:Performed Tuesday and Thursday; results are reported the same day. The cutoff time for same day reporting is 9:30 am on Tuesday, and 11:00 am on Thursday.
Special Instructions:Trough level monitoring is recommended.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.6 mL
Container:Purple (EDTA)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel), Red (no gel)
Causes for Rejection:Collected in a gel tube.

Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 1 mL, 0.2 mL minimum. Freeze immediately. 
Shipping Instructions:Ship on dry ice.
Stability:2 hours room temperature; 1 week refrigerated; 2 weeks frozen
Test Performed at or Referral Lab UM Special Drug/BGEN (Azole Z) 


Critical Range:Greater than 6.0 ug/mL
Reference Range:
1.0-5.5 µg/mL. Trough level (collected immediately prior to next dose) is recommended.
Use:Monitor therapeutic drug level of voriconazole; evaluate voriconazole toxicity.

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