Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (9) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) Sample Type Blood (6) Serum or Plasma (6) (-) Urine (2) Test Area Therapeutics (2) Test Category Antiepileptics/Antiseizures (1) (-) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (1) Other (1) Test Test Name 0500U Barbital, Urine 1970U Ethchlorvynol Overdose, Urine