Mexiletine


Sunquest Code:MEXI  
Epic Code:LAB3611Epic Name:Mexiletine
Synonyms:Mexitil
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80299
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Usual sampling time is immediately prior to the next dose (trough).


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.24 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:81


Interpretive

Critical Range:3000 ng/mL or greater
Reference Range:500-2000 ng/mL
Use:Drug monitoring; evaluate toxicity.


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