Test Code LAB36 Tobramycin - Peak
Department
CHEMISTRY
Collection Requirements
PEAK AND TROUGH DRUG LEVELS SHOULD BE DRAWN DURING THE SAME DOSE CYCLE WITH THE PEAK DRAWN (45-60 min post IM; immediately after 60 min. IV dose or 30 min after 30 min IV dose), AND THE TROUGH DRAWN (immediately prior to the next dose).
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Separate from gel if testing is to be delayed more than 8 hours.
Stability
Refrigerated: 48 Hours
Minimum Testing Volume
0.5 mL
Reference Range
4-8 µg/mL
Methodology
Roche c503 Enzyme Immunoassay
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
80200
Unacceptable Conditions
Specimens on gel longer than 8 hours.
Gross hemolysis.