Test Code GNTTR Gentamicin, Trough, Serum
Performing Laboratory
Spectrum Laboratory
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red top or serum gel
Specimen Volume: 1 mL
Collection Instructions:
1. Draw blood 30 minutes before next dose of gentamicin.
2. Avoid hemolysis and lipemia.
Additional Information: If dosage and dosing information are provided, they will be included on report to enhance clinical interpretation.
Reference Values
Therapeutic concentration: 0.0-2.0 µg/mL
Toxic concentration (automatic call-back): >2.0 µg/mL
Day(s) Test Set Up
Monday through Sunday
Specimen Transport Temperature
Ambient
Test Classification and CPT Coding
80170