Ezogabine, Plasma

CPT: 80339
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Test Details


  • Potiga®
  • Retigabine

Test Includes

Ezogabine and N-acetylezogabine, reported as total conjugated and unconjugated


Therapeutic drug management


Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Specimen Requirements


Plasma, frozen


1 mL

Minimum Volume

0.5 mL


Green-top (heparin) tube. Gel-barrier tubes are not recommended.

Patient Preparation

Trough levels are most reproducible.


Plasma should be separated from cells immediately. Transfer separated plasma to a plastic transport tube and freeze immediately.

Storage Instructions

Freeze immediately. Ship on dry ice.

Causes for Rejection

Specimen received unfrozen; gel-barrier tubes


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
738852 Ezogabine 738849 Ezogabine ug/mL 74134-8
738852 Ezogabine 738851 N-Acetylezogabine ug/mL 74135-5

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