Vancomycin, Peak and Trough
Vancocin
Testing Information
Test Codes
Peak: 650770, Trough: 650780
CPT Code
80202
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Immunoturbidimetric
Reference Range
Peak: 30-40 mcg/mL
Trough: <20 mcg/mL
Critical Value: Peak: >60 mcg/mL
Expected Turnaround Time
Results Available 24 hours from Receipt
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, grossly lipemic specimens, improperly labeled
Specimen Validity and Retention
Centrifuged SST Tubes:
Room Temperature (20-25°C): 24 hours
Refrigerated (2-8°C): 7 days
Frozen (-20°C or greater): Unacceptable
Serum Aliquots:
Room Temperature (20-25°C): 24 hours
Refrigerated (2-8°C): 7 days
Frozen (-20°C or greater): 7 days
Specimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
Vancomycin assays are used for therapeutic drug monitoring and toxicity.
