Specimen Requirements

Submit only 1 of the following specimens:

Preferred:

Plasma

Container/Tube: Light green-top (lithium heparin gel) tube(s)

Specimen Volume: 2 mL (minimum volume: 0.5 mL) of lithium heparin plasma

Collection Instructions:  Plasma for a 30-minute peak level should be drawn 30 minutes after completion of infusion of an intravenous dose of gentamicin. Plasma for a 60-minute peak level should be drawn 15 minutes after completion of infusion of intravenous dose of gentamicin. Spin down immediately, and send entire tube to laboratory.

Note: 1. Infusion time and time of draw are required.

2. Indicate plasma.

3. Label specimen appropriately (plasma).