Test Overview
Method
Enzyme Immunoassay (EIA)
Analytical Platform
Roche cobas P6000
Result Included
Gentamicin - Trough
Aliases/Synonyms
Aminoglycoside
Specimen
Specimen Type
SerumVolume
Sample Volume
1 mL
Collection & Handling
Collection Instructions
Avoid gel-separator tubes.
Collect immediately before next dose. Wait until the third dose before collecting samples for therapeutic monitoring.
Handling Information
Store and send frozen.
Performance & Interpretation
Turnaround Time
1 Day
Results
Name
Units
Reference Range
Conversion
-
Gentamicin - Troughmg/LFor traditional (conventional) dosing method:
Pre-dose: <2.0 mg/L for adults and pediatrics
Half-hour post-dose: 4.0 - 10.0 mg/L for adults ; 5.0 - 10.0 mg/L for pediatrics
When used for synergy in the treatment of gram positive endocarditis in adults:
Pre-dose: <1.0 mg/L
Half-hour post-dose: 3.0 - 4.0 mg/L
For extended interval (once daily) dosing method:
Pre-dose <1.0 mg/L for adults
8 - 12 hours post-dose for adults and use nomogram for interpretation;
3 and 6 hours post-dose for pediatrics and use nomogram for interpretation.
Comment
Refer to guidelines for Aminoglycoside dosing at your institution.
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| GENTAT S | Gentamicin, Before dose | 63120 | mg/L |
Test Version
Last Updated
2019-12-10