Test directory: Tobramycin (Trough)

Ordering Code445T
Test NameTobramycin (Trough)
AliasTrough Tobrex
Trough AK-Tob
Trough Tobi
Preferred SpecimenPlasma
Preferred ContainerLithium Heparin PST (Green)
Other Specimen/ContainerSerum in Plain (Red), Serum in SST (Gold)
Optimum Volume0.5 mL
Collection InstructionsCollect trough specimen just prior to next dose.
Handling InstructionsSend aliquot if transport time >24 hours.
Transport RequirementsOahu: Refrigerated
Airline: Frozen
Specimen StabilityRefrigerated: 24 Hours (Centrifuged, unaliquoted gel separator tubes) 3 Days (Aliquot)
Frozen: 1 Month (Aliquot)
Rejection CriteriaGrossly hemolyzed, Insufficient quantity, Specimen older than stability limits, Uncentrifuged gel separator tube specimens >2 hours old, Unaliquoted gel separator tube specimens >24 hours old
Avail. StatYES
Analytic Time1 Day
MethodologyHomogeneous enzyme immunoassay

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Tobramycin (Trough)ALL< 2.0>= 2.0< 2.0>= 2.0ug/mL