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Test Code 538 Vancomycin Trough

Additional Codes

MLAB: VANCT

PowerChart: Vancomycin Trough Level

Epic: LAB39 Vancomycin, Trough

MA Cerner: Vancomycin Trough.

Test Method

Particle Enhanced Turbidimetric Inhibition Immunoassay; Beckman DXC600/DXC880i

Specimen Requirement

0.5 mL of serum or plasma is required for testing.

Additional Specimen Collection Information

Collect blood in a lithium heparin green-top or red-top tube. Serum and plasma gel tubes are not acceptable. Trough specimens are collected just prior to  I.V. infusion. Serum or plasma should be separated from contact with cells within 2 hours of collection. Serum or plasma should be stored be refrigerated if assay is not completed within 8 hours.

Performance

Testing is performed Monday through Sunday

Typically completed within 4 hours after the specimen arrives at the testing site.

Reference Values

5.0-15.0 mcg/mL

  • Toxic Level: >15.0 mcg/mL

CPT Code Information

80202 Therapeutic Drug Levels; Vancomycin

Useful For

Trough concentrations drawn at steady-state are the preferred test for monitoring vancomycin therapy.

LOINC Code Information

4092-3 Vancomycin [Mass/Volume] In Serum Or Plasma-Trough