Tobramycin, Peak

Tube Type

Test ID LAB36
EPIC Order
CPT Code(s) 80200
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine: 30; STAT: 888
Specimen Routine: 2 mL blood/royal blue top tube or plain red top tube (no gel); see Comments for additional information
micro: 300 µL Blood/Red Top Pediatric Bullet; see Comments for additional information
Unspun: 2 hours
Spun/separated, Room Temperature: 8 hours
Spun/separated, Refrigerator: 2 days
Spun/separated, Frozen: 30 days
Availability 24 hrs/day
Turnaround Time STAT: 1 hr; Routine: 2 hrs
Reference Range



4.0-10.0 µg/mL (Peak)

>12.0 µg/mL (Peak)

Comments Collection for Tobramycin-Peak samples:
IV infusion: 30-60 min after completion
IM injection: 60-90 min post dosing
Collect sample before administering B-lactam antibiotics, otherwise levels may be lower than expected.

Red Top Tubes must NOT contain Serum Separator Gel

Reviewed by jcayless on January 06, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514