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Gentamicin Peak
Test CodeLAB28
Alias/See Also
GENP
CPT Codes
80170
Preferred Specimen
" One 4.5ml light green top (heparin) tubeor one 5ml Red/gold top serum separator tube. "
Instructions
" For patients receiving gentamicin via conventional dosing methods peak and trough drug monitoring should begin after a steady state is achieved (usually after 3–4 doses). Samples for peak concentrations should be collected 30 minutes after intravenous infusion. "
Specimen Stability
Refrigerate, stable 48 hours; stable 8 hours at room temperature; stable 6 months if frozen.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Insufficient quantity; failure to follow stability requirements
Methodology
Two point rate: The assay is based on competition between gent. in thesample and gentamicin labeled with G6P-DH for antibody binding sites.
Setup Schedule
Daily/STAT
Report Available
"Within 24hrs
STAT:2 hours after collection"
STAT:2 hours after collection"
Reference Range
"5.0-8.0 ug/mL
Critical: >12.1 ug/mL"
Critical: >12.1 ug/mL"