Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (4) Fluid (1) Meconium (1) Serum or Plasma (4) (-) Tissue (1) Urine (4) Test Area Drugs of Abuse (1) Test Category Anticholinergics (1) Antidepressants (2) Depressants (1) (-) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Test Test Name 8620TI Barbiturates Panel, Tissue