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Vancomycin Peak
Test CodeAlias/See Also
CPT Codes
80202
Preferred Specimen
Serum or EDTA Plasma
Minimum Volume
Other Acceptable Specimens
Instructions
To obtain a concentration that best represents the peak tissue level, draw the sample one hour after an intramuscular injection, 30 minutes after ending a 30- minute intravenous infusion, or immediately after a 60-minute intravenous infusion. Collect a trough sample just before the next scheduled dose. When adjusting dosage, measure peak and trough levels during the same dosing intervals. Specimen should be protected from prolonged exposure to light. |
Transport Container
Serum (gold or red top tube) or EDTA Plasma (purple top tube)
Transport Temperature
Specimen Stability
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Methodology
Photometric
Setup Schedule
Daily upon receipt
Report Available
Limitations
Reference Range
Therapeutic Peak Range: 30.0 - 39.9 ug/mL
Clinical Significance
Vancomycin is used in the treatment of serious or severe infections caused by gram-positive organisms resistant to penicillins, cephalosporins, or other antimicrobial agents. It is also used in the treatment of antibiotic-associated pseudomembranous colitis produced by Clostridium difficile. The risk of ototoxicity and nephrotoxicity is increased in patients with impaired renal function, and in patients receiving concurrent aminoglycoside treatment. Serum or plasma vancomycin measurements are used in the diagnosis and treatment of vancomycin overdose and in monitoring levels of vancomycin to ensure appropriate therapy.