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) (2) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (1) Serum or Plasma (1) Test Area Drugs of Abuse (2) Test Category Analgesics (5) Depressants (3) (-) Sedative/Hypnotics (2) Stimulants (6) Test Sub-Category Barbiturates (2) Test Test Name 0512B Barbiturates Screen, Blood 0512SP Barbiturates Screen, Serum/Plasma