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Test Code GENTPK Gentamicin, Peak

Collection Container

Serum gel

Specimen Required


Other Acceptable Specimen Types

EDTA or heparinized plasma

Specimen Volume

1 mL

Minimum Specimen Volume

0.5 mL

Special Handling Instructions

Draw 1 hr after IM dose

Transport Temperature


Specimen Stability

Refrigerated: 7 days


Kinetic interaction of microparticles in a solution

Reference Ranges

Therapeutic: 5 -10 mg/L

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

CPT Code


Units of Measure


Time of collection

IV Peak: 0.5 to 1 hour after the end of a 30 minute infusion


IM Peak: 0.5 to 1 hour after IM dose