Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) Sample Type (-) Blood (1) Hair (1) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Depressants (1) Drugs of Abuse (13) Drugs of Abuse, Therapeutics (8) Exposure (1) NPS/Designer Drugs (1) (-) Sedative/Hypnotics (1) Therapeutics (6) Test Sub-Category Barbiturates (1) Test Test Name 0512B Barbiturates Screen, Blood