Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
TOBRAT
Methodology

Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
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



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

80200

Components
Component Test Code* Component Chart Name LOINC
0090320 Tobramycin Trough 35670-9
* 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
Tobramycin, Trough Level