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 (8) (-) Fluid (2) Serum or Plasma (8) Tissue (1) Urine (8) Test Area (-) Therapeutics (2) Test Category (-) Analgesics (1) (-) Antidepressants (1) Antiepileptics/Antiseizures (1) Test Sub-Category Opiates/Opioids (1) Other (1) Test Test Name 4535FL Trazodone, Fluid 9288FL Tramadol and Metabolite Screen, Fluid