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Test Code VANCTR Vancomycin, Trough

Collection Container

Serum gel

Specimen Required


Other Acceptable Specimen Types

Heparinized plasma

Specimen Volume

1 mL

Minimum Specimen Volume

0.1 mL

Transport Temperature


Specimen Stability

Room temperature: 2 hours, Refrigerated: 14 days, Frozen: 1 year


Enzyme Immunoassay

Reference Ranges

10 to 20 mg/L
Critical: >25 mg/L

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

CPT Code


Units of Measure


Critical Results

>25 mg/L

Time of Collection

Trough: 30 minutes before 4th dose. If renal failure is suspected draw 

              before second dose.

  Peak:  1 hour after end of 1 hour intravenous infusion.