Gentamicin Trough Level

Test Code
GENTT

CPT Codes
80170

Preferred Specimen
Dark green lithium heparin tube.

Minimum Volume
fill tube 3.5 ml

Instructions
Trough levels should be drawn just prior to a dose. Specimens should be collected in a dark green lithium heparin tube. Centrifuge and remove plasma from cells as soon as possible after collection. Place plasma in a plastic pour off tube. Ship both the original tube and pour off tube.Trough levels should be drawn just prior to a dose.

Transport Temperature
2-8 oC

Specimen Stability
1 week at 2-8 oC
2 weeks at <10 oC

Methodology
turbidimetric immunoassay

Setup Schedule
Every day

Reference Range
0-2 ug/mL

Performing Laboratory
Marietta Memorial Hospital laboratory



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.