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/Mass Spectrometry (GC/MS) (1) Sample Type Blood (7) (-) Fluid (1) (-) Hair (1) Meconium (1) Serum or Plasma (7) Tissue (1) Urine (6) Test Area Drugs of Abuse (2) Test Category Anesthetics (1) Antidepressants (1) Biomarkers (1) Depressants (3) Electrolytes (1) Metals/Elements (1) Muscle Relaxants (1) (-) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (2) Test Test Name 6921H Barbiturates Screen, Hair 8620FL Barbiturates Panel, Fluid