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Test Name:Topiramate
Epic Order Code:LAB498
CPT Code:80201  
Specimen(s) Type:Serum, 1.0 mL
Acceptable Container(s):Tube top is red.
Testing Schedule:Monday-Friday, 7:30 a.m. to 4 p.m.. After-hours, emergency basis only.
Turn Around Time:STAT: 30 minutes
 Routine: 2 hours
Collection Information:Collect 0.5 - 1.0 hours before dose (trough) or 2 - 4 hours after dose (peak). Obtain specimen by standard collection procedures. Do not collect in serum separator tubes.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the cells. Store and transport at -20° C within 7 days.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect transport.
Reference Range:Trough: 2 - 20 µg/mL
 Potentially Toxic: > 20 µg/mL
Additional Information:Some individuals may tolerate higher concentrations. Interpretation of results should include clinical evaluation.