Tobramycin


Sunquest Code:TOBRA  
Epic Code:LAB3777Epic Name:Tobramycin
Methodology:Turbidimetric rate
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Comment last dose information on request form.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL; pediatric patients only: 0.4 mL in green (lithium heparin, no gel)
Container:Red (no gel) (Green (lithium heparin, no gel))
Collection Instructions:Trough levels: Collect immediately prior to next dose. Peak levels: collect 60 minutes after the end of IV infusion; 1-2 hours if decreased renal function.
Causes for Rejection:Processed >2 hours after collection; sample not analyzed or frozen within 4 hours. Collection in a gel tube.


Processing and Shipping

Specimen Processing:Process within 2 hours. Centrifuge and aliquot 1.25 mL, 0.2 mL minimum (adult) 0.1 mL minimum (peds). If assaying is delayed more than 4 hours, then aliquot and freeze the sample.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Chemistry  (UMMC-East Bank, Fairview Lakes - FLMC, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank)


Interpretive

Critical Range:Greater than 16 mg/L for traditional dosing; Greater than 35 mg/L for single daily dosing
Therapeutic Range:Trough <1 mg/L; Peak: 5.0-12.0 mg/L, depending on dosage.
Use:Monitor therapeutic dosing and evaluate toxicity. Half-life is 1.5-3 h (adult less than 30 y); 3-6 h (adult 30 y or greater); 4-8 h (neonate).


Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 1473"