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) Sample Type Blood (14) (-) Fluid (1) Serum or Plasma (23) Urine (8) Test Area Test Category Test Sub-Category Test Test Name 4535FL Trazodone, Fluid