Ethotoin


Sunquest Code:ETHOT  
Epic Code:LAB3455Epic Name:Ethotoin Level
Synonyms:Peganone
Methodology:Gas chromatography/flame ionization detection
CPT Code:80299
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2 days.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Usual sampling time is immediately prior to next dose (trough). Gel-barrier tubes are not recommended.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.5 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:49


Interpretive

Reference Range:8-20 ug/mL
Use:Therapeutic monitoring and assess toxicity. The therapeutic range for ethotoin is not well established. Many patients respond well to ethotoin concentrations up to 60 µg/mL.


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