Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category (-) Antiarrhythmics (2) Antiepileptics/Antiseizures (2) Antipsychotics (1) Other (2) Volatiles (1) Test Sub-Category (-) Other (2) Test Test Name 2088B Flecainide, Blood 2088U Flecainide, Urine