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Tobramycin, Trough Level
0090320
Ordering Recommendation
Mnemonic
TOBRAT
Methodology
Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Draw 5-90 minutes before next infusion. 
Collect
Plain red. Also acceptable: Green (sodium or lithium heparin). 
Specimen Preparation
Separate serum or plasma from cells. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. If transport is prolonged: Frozen. 
Unacceptable Conditions
Citrate, oxalate/fluoride, or separator tubes. Hemolyzed specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 4 hours; Refrigerated: 1 week; Frozen: 2 weeks 
Reference Interval
Optimal: 0.5-2.0 µg/mL
Toxic: 2.1 µg/mL or greater
Interpretive Data


Note
CPT Code(s)
80200
Components
Component Test Code*Component Chart NameLOINC
0090320Tobramycin Trough35670-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Nebcin