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) (3) Sample Type Blood (18) (-) Fluid (2) Serum or Plasma (17) (-) Tissue (1) Urine (6) Test Area (-) Therapeutics (3) Test Category Antidepressants (2) Antiepileptics/Antiseizures (1) Test Sub-Category Opiates/Opioids (1) (-) Other (3) Test Test Name 4519FL Topiramate, Fluid 4535FL Trazodone, Fluid 4535TI Trazodone, Tissue