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/Mass Spectrometry (GC/MS) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Analgesics (4) Antiarrhythmics (2) Anticholinergics (6) Antiepileptics/Antiseizures (2) Antimigraines (3) Immunosuppressants (1) Opiates/Opioids (3) Pesticides/Insecticides (5) (-) Sedative/Hypnotics (2) Vasodilators (3) Volatiles (1) Test Sub-Category (-) Other (2) Test Test Name 4236B Suvorexant, Blood 4236SP Suvorexant, Serum/Plasma