Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Hair (1) Test Area Drugs of Abuse (1) Test Category Analgesics (1) Depressants (1) Drugs of Abuse (2) Drugs of Abuse, Therapeutics (1) Hallucinogens (1) Other (1) (-) Sedative/Hypnotics (1) Stimulants (2) Test Sub-Category Barbiturates (1) Test Test Name 6921H Barbiturates Screen, Hair