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 (2) Hair (1) (-) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Alcohols (1) Analgesics (1) Antihistamines (1) Depressants (1) (-) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (2) Test Test Name 0500SP Barbital, Serum/Plasma 0512SP Barbiturates Screen, Serum/Plasma