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Gentamicin, Trough Level
0090310
Ordering Recommendation
Mnemonic
GENTT
Methodology
Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Draw specimen 30 minutes before next infusion. 
Collect
Plain red. 
Specimen Preparation
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) Also acceptable: Heparinized plasma. 
Storage/Transport Temperature
Refrigerated. If transport is prolonged: Frozen. 
Unacceptable Conditions
Separator tubes. Plasma collected in citrate or oxalate/fluoride tubes. Hemolyzed specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 weeks (avoid repeated freeze/thaw cycles) 
Reference Interval
Optimal: 0.5-2.0 µg/mL
Toxic: > 2.0 µg/mL
Interpretive Data


Note
CPT Code(s)
80170
Components
Component Test Code*Component Chart NameLOINC
0090310Gentamicin Trough3665-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Garamycin
  • Garamycin Trough Level
  • Gentamicin Antibiotic Assay
  • Gentamicin Trough Leve