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 Acids (2) Analgesics (6) (-) Antiarrhythmics (2) Antidepressants (6) Antiepileptics/Antiseizures (4) Antihistamines (3) Antihypertensives (2) Antimicrobials (3) Antipsychotics (2) Depressants (2) Metals/Elements (2) Other (1) Sedative/Hypnotics (2) Volatiles (1) Test Sub-Category Other (2) Test Test Name 2088B Flecainide, Blood 2088SP Flecainide, Serum/Plasma