Sign in →

Test Code TOBRP Tobramycin, Peak

Performing Laboratory

ChristianaCare-Newark Campus

Methodology

Immunoassay

Specimen Requirements

Container/Tube:  Preferred: 4.5 mL Lithium Heparin (Mint Green top PST Gel) tube

Acceptable: 5.0 mL SST (Gold top) tube or 6.0 mL Serum (Red top) tube

Specimen:  Full tube
Collection Instructions:  Draw specimen 30 minutes after intravenous (IV) dose. Specimen drawn 60 minutes after IV dose is also acceptable.
Note:  Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of draw, collector’s initials, and type of specimen.

Reference Values

Patient Age 

TOBR Peak (ug/mL) 

< 1 year 

5.0 – 12.0  

Children/Adults 

4.0 – 10.0 

Tobramycin Peak extended interval Adult: 20.0 – 30.0 ug/mL 

Alternative peak and trough goals are indicated for infections in cystic fibrosis patients.

 

Day(s) Test Set Up

Monday through Sunday

Routine Turnaround Time:  8 hours

STAT Turnaround Time:  not available