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Tobramycin, Random
Test CodeLAB37
Alias/See Also
Nebcin, Random; Tobramycin, Random Level
CPT Codes
80200
Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Instructions
After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.
Transport Temperature
Room temp
Specimen Stability
Separated from cells: 4 hours room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >30 mg/dL bilirubin, Hemolysis: >800 mg/dL hemoglobin, Lipemia: >750 mg/dL; Cephalothin: >500 ug/mL, Lincomycin: >100 ug/mL, Tetracycline: >500 ug/mL, Trimethoprin: >500 ug/mL
Methodology
Turbidimetric Immunoassay
Setup Schedule
Mon- Sun
Reference Range
Random Ranges: Therapeutic: 0.5 – 8.0 ug/mL
Toxic: >16 ug/mL
Toxic: >16 ug/mL
Clinical Significance
Monitoring tobramycin concentrations in serum, along with careful clinical assessment, is the most effective means
of ensuring adequate therapy
of ensuring adequate therapy
Performing Laboratory
Piedmont Athens Regional