Specimen Requirements

Title

Gentamicin

Specimen Requirement

Collect red top or green top heparin, centrifuge sample, transfer 1.0 mL serum or plasma to a screw top plastic vial, indicate sample type on tube and send.

Do not use SST.

The trough sample is drawn immediately prior to the next dose. Peak samples should be drawn 45 to 60 minutes after an IM injection, 30 minutes after the end of a 30-minute IV infusion, or immediately after a 60-minute IV infusion.

Methodology

Immunoassay

Stability

Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days

Reference Range

The reference range is determined by the performing laboratory and will show on the report.

Turnaround

1-3 days

Clinical Use

Gentamicin is an aminoglycoside antibiotic that acts by inhibiting bacterial protein synthesis. It is used to treat serious infections due to many aerobic and anaerobic types of bacteria.

Test Code

GENTP (PEAK), GENTT (TROUGH),