Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (29) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (3) Serum or Plasma (4) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Antiarrhythmics (1) Antipsychotics (1) Test Sub-Category Other (2) Test Test Name 2088U Flecainide, Urine 2538U Loxapine, Urine