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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (1) Hair (1) (-) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Analgesics (1) Depressants (1) (-) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Test Test Name 0512SP Barbiturates Screen, Serum/Plasma