Lt green plasma separator (PST)
Note regarding patients who are also on penecillins or cephalosporin:
Sample containing carbenicillin or piperacilin should be stored frozen if a delay in analysis of more than 8 hours is anticipated. Failure to freeze samples containing these antibiotics may result in falsely low tobramycin levels due to in vitro inactivation.
Gold serum separator (SST) tube
Refrigerated - 7 days
Particle-enhanced turbidimetric inhibition immunoassay (PETINIA)
Threapeutic range: 4.0 - 10.0 µg/mL
Toxic: >12.0 µg/mL