Topiramate Level


Sunquest Code:TOPIR  
Epic Code:LAB6982Epic Name:Topiramate Level
Synonyms:Topamax
Methodology:Enzyme immunoassay
CPT Code:80201
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.8 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel), Purple (EDTA))
Collection Instructions:Usual sampling time is immediately prior to next dose (trough).
Causes for Rejection:Serum of plasma separator tubes. Grossly hemolyzed specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.2 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:70390


Interpretive

Therapeutic Range:5.0-20.0 ug/mL
Use:Therapeutic monitoring and assess toxicity.


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