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 (GC) (1) Sample Type 24 Hour Urine (1) Blood (3) Fluid (1) Hair (1) Liquid (1) Nails (1) RBCs (1) Serum or Plasma (3) Tissue (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Test Sub-Category Alkaloids (1) (-) Barbiturates (1) Benzodiazepines (1) Beta Blockers (1) CNS Stimulants (2) Dopamine Antagonists (1) Hormones (1) Macrominerals (1) Opiates/Opioids (8) Other (31) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (2) Trace Elements (2) Test Test Name 2860U Metharbital and Metabolite, Urine