Method Name



Tobramycin, Tobramycin - Peak; Tobramycin - Trough; Tobramycin - Random

Specimen Required

one SST/gel tube

Specimen Minimum Volume

1.0 mL of blood

Specimen Stability Information

Centrifuged specimen stable for 72 hours refrigerated.

Special Instructions

Patient should be at a “steady state” concentration. Peak should be drawn 60 minutes after IM injection; 30 minutes after 30 minute IV infusion; 15 minutes after a 60 minute IV infusion; and the trough should be drawn one hour prior to the dose. Clearly label tubes as “Peak” or “Trough”.

Performing Laboratory

As ordered. Turn around time is 4 hours.

Reference Values

Trough: < 2.0 ug/mL nPeak: 4.0 - 10.0 ug/mL nRandom: 4.0 - 10.0 ug/mL