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) (1) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (5) Serum or Plasma (5) (-) Urine (2) Test Area Exposure (1) (-) Therapeutics (2) Test Category Antiarrhythmics (1) Antihypertensives (1) Test Sub-Category Benzodiazepines (1) (-) Diuretics (1) Opiates/Opioids (1) (-) Other (1) Selective Serotonin Reuptake Inhibitors (SSRI) (3) Test Test Name 2088U Flecainide, Urine 2140U Furosemide, Urine