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) (7) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Antidepressants (3) (-) Sedative/Hypnotics (2) Volatiles (2) Test Sub-Category Barbiturates (2) Test Test Name 0320SP Amobarbital, Serum/Plasma 0320U Amobarbital, Urine