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 Hair (1) Test Area Drugs of Abuse (1) Test Category Depressants (1) Drugs of Abuse (2) Drugs of Abuse, Therapeutics (1) Hallucinogens (1) Metals/Elements (2) Other (3) (-) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category (-) Barbiturates (1) Test Test Name 6921H Barbiturates Screen, Hair