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Test Code LABGENTEI Gentamicin Level, Extended Infusion

Clinical Information

Patient samples that contain the drug sisomicin will yield falsely elevated values for gentamicin. However, this drug is not usually co-administered with gentamicin. 

Synonym

  • GENTEI
  • Garamycin

Specimen Required

Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top
Specimen Volume: 0.5 mL
Specimen Minimum Volume: 0.25 mL

Specimen Collection Information

Draw level 10 hours AFTER end of infusion.

Specimen Stability Information

Refrigerated: 7 days

Rejected Due To

  • Gross hemolysis
  • Quantity not sufficient

Reference Values

Peak: 3-15.0 mcg/mL, Trough: ≤1.0 mcg/mL

Method Description

Enzyme immunoassay

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Report Available

1 to 2 days

Reporting Name

Gentamicin, Extended Interval

CPT Code Information

80170

LOINC Code Information

31093-8