Gentamicin, Peak Level
Ordering Recommendation
Optimize drug therapy and monitor patient adherence.
New York DOH Approval Status
Specimen Required
Draw 30 minutes following completion of infusion.
Plain red. Also acceptable: Heparinized plasma.
Allow specimen to clot completely. Separate serum or plasma from cells. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Refrigerated. If transport is prolonged: Frozen.
Separator tubes. Plasma collected in the presence of citrate or oxalate/fluoride or EDTA. Hemolyzed specimens. Frozen samples.
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 weeks (avoid repeated freeze/thaw cycles)
Methodology
Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
Optimal: 5.0-10.0 µg/mL
Toxic: > 12.0 µg/mL
Interpretive Data
FDA
Note
Hotline History
CPT Codes
80170
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0090305 | Gentamicin Peak | 3663-2 |
Aliases
- Garamycin
- Garamycin Peak Level
- Gentamicin Antibiotic Assay
- Gentamicin Peak Level