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HelpTest Code GENTR Gentamicin, Trough
Performing Laboratory
Hunterdon Medical Center Laboratory
Useful For
Gentamicin is an aminoglycoside antibiotic which exhibits high potency. It exhibits a narrow therapeutic index and accurate monitoring of the serum levels is required along with renal function evaluation.
Special Instructions
Note: Trough level should be drawn just prior to next dose.
Peak level should be drawn 30 minutes after completion of infusion of an intravenous dose.
Specimen Required
| Container/Tube | |
| Acceptable | PST (Li Hep) Gel- Mint Green Top |
| Acceptable | SST |
| Specimen Volume | 3.0 mL |
| Minimum Volume | 1.0 mL |
Specimen Type
Plasma/Serum
Specimen Transport Temperature
Ambient
Specimen Stability
| Specimen | Temperature | Time Frame |
| Plasma | Refrigerated 2-8°C | 7 days |
| Serum-gel tube | Refrigerated 2-8°C | 7 days |
Updated June 2020
Day(s) Test Set up
Monday through Sunday
Reference Values
| Age | Range |
| 0-7 Days | 0.50-1.00 µg/mL |
| > 7days | 1.00-1.99 µg/mL |
Methodology
Homogeneous enzyme immunoassay.
CPT Code
80170
Loinc Code
3665-7