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) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (9) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (23) Sample Type Blood (1) Hair (1) (-) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Drugs of Abuse (9) Drugs of Abuse, Therapeutics (4) (-) Sedative/Hypnotics (1) Therapeutics (5) Test Sub-Category Barbiturates (1) Test Test Name 0512SP Barbiturates Screen, Serum/Plasma