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HelpTest ID VANTA Vancomycin, Trough, Serum
Useful For
Preferred test for monitoring vancomycin therapy
Monitoring trough concentrations drawn at steady-state in selected patients receiving vancomycin therapy
Specimen Type
Serum RedOrdering Guidance
In addition to this trough assay, both peak level and random testing are available.
1. Serum for a peak level should be drawn 1 hour after completion of dose; order VANPA / Vancomycin, Peak, Serum.
2. Serum for random testing should be ordered as VANRA / Vancomycin, Random, Serum.
Specimen Required
Collection Container/Tube: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Draw specimen immediately prior to the next dose (within 30 minutes).
2. Centrifuge and aliquot serum into a plastic vial within 2 hours of collection.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days |
| Frozen | 365 days | |
| Ambient | 48 hours |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Therapeutic: 10.0-20.0 mcg/mL
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80202
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.