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HelpTest Code GENT Gentamicin, Plasma or Serum
Performing Laboratory
Lima Memorial Health System Laboratory
Specimen Requirements
Preferred:
Container/Tube: Green cap-yellow ring Top (Lithium Heparin Gel) tube
Minimum Volume: 1.0 mL
Collection Instructions: Centrifuge within 2 hours. Plasma for a trough level should be drawn just prior to next dose and for a peak level 30 minutes after completion of infusion of an intravenous dose. If dosage and dosing information are provided, they will be included on report to enhance clinical interpretation.
Also Acceptable:
Container/Tube: Plain, Red Top or Serum gel (SST-Gel) tube
Reference Values
Peak therapeutic range: 4.0-10.0 µg/mL
Trough therapeutic range: 0.5-2.0 µg/mL
Alarm value (automatic call-back): >11.90 µg/mL
Specimen Stability
Refrigerate: 48 hours
Frozen: aliquot for longer storage
Day(s) Test Set Up
Monday through Sunday
Methodology
Spectrophotometry (SP)
Test Classification and CPT Coding
80170