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) Sample Type Blood (1) (-) Hair (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (1) Therapeutics (1) Test Category Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Test Test Name 6921H Barbiturates Screen, Hair