Test Code GENT Gentamicin
Performing Laboratory
YRMC Laboratory
Day(s) Test Set Up
Monday through Sunday
Specimen Requirements
LT Green/Mint Top (NAHEP)
Minimum Draw Volume: 2mL
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).
Peak concentrations are reached 60 minutes after intramuscular injection and after completion of intravenous injection.
Order of Draw
Specimen Transport Temperature
Stability- Refrigerated Up to 24 hours from the time of collection.
Stability- Ambient Up to 8 hours from the time of collection.
If specimens cannot be centrifuged, they must be received in the laboratory within 2 hours.
CPT Code
80170
Unit of Measure
ug/mL