Test Code RMCGENTPK Gentamicin Level Peak*
Methodology
Turbidimetric Inhibition
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Serum
Preferred: Light-green top (lithium heparin gel)
Acceptable: Gold top, serum gel
Specimen Volume: Full tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Blood for a peak level should be drawn 30 minutes after completion of intravenous infusion.
2. Send specimen in original tube.
3. If there is a delay in transport of >1 hour, centrifuge tube.
Specimen Transport Temperature
Refrigerated
Reference Values
Therapeutic concentration: 4-8 µg/mL
Critical value (automatic call-back): >12.0 µg/mL
Day(s) Performed
Daily
Available STAT
Analytical Time:
1 day
Test Classification and CPT Coding
CPT: 80170
LOINC: 3663-2
Result Name: Gentamicin Peak
Result Code: RMCL800426