Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
GENTT
Methodology

Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
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



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

80170

Components
Component Test Code* Component Chart Name LOINC
0090310 Gentamicin Trough 3665-7
* 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
Gentamicin, Trough Level