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Labcorp Oklahoma, Inc.
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Gentamicin

Order Name GENTAMICIN
Test Number: 4002800
Revision Date 05/20/2021
Test Name Methodology LOINC Code
Gentamicin
Enhanced Turbidimetric-Inhibition Immunoassay (PETINIA) 35668-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Alternate 1 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Stability: Ambient - 8 hours; Refrigerated - 7 days; Frozen - 14 days
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Used to monitor antimicrobials levels. 
CPT Code(s) 80170
Lab Section Chemistry