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 (15) Fluid (2) (-) Hair (1) Meconium (1) Serum or Plasma (15) Tissue (2) Urine (12) Test Area Drugs of Abuse (1) Test Category Sedative/Hypnotics (1) Test Sub-Category (-) Barbiturates (1) Other (2) Test Test Name 6921H Barbiturates Screen, Hair