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) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (44) Fluid (3) Serum or Plasma (42) (-) Tissue (2) Urine (20) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Other (1) Test Test Name 4461TI Thioridazine and Metabolite, Tissue 4535TI Trazodone, Tissue