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Test ID BLOD1369 Voriconazole, Serum

Reporting Name

Voriconazole, S

Useful For

Monitoring trough levels of voriconazole is suggested in individuals with reduced liver function, individuals with CYP2C19 polymorphisms associated with poor metabolic function, patients taking other medications that affect CYP2C19 activity, and in patients experiencing potential toxicity


Monitoring trough levels may be reasonable in patients who are not responding optimally or have drug interactions that may decrease voriconazole levels, or to ensure adequate oral absorption

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required

Collection Container/Tube: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

Collection Instructions: Spin down within 2 hours of draw.

Specimen Minimum Volume

0.6 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

1.0-5.5 mcg/mL

Trough level (ie, immediately before next dose) monitoring is recommended.

Day(s) and Time(s) Performed

Tuesday through Saturday; 12 a.m., Saturday; 4 p.m., Sunday; 3 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
VORI Voriconazole, S 38370-3


Result ID Test Result Name Result LOINC Value
88698 Voriconazole, S 38370-3

Analytic Time

Same day/1 day

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK




Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)


If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request Form (T728) with the specimen (