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) Headspace Gas Chromatography (GC) (2) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Test Sub-Category Antiarrhythmics (1) (-) Barbiturates (1) Insecticides (2) Opiates/Opioids (1) Other (19) Tetracyclics (1) Tricyclic (1) Test Test Name 2860B Metharbital and Metabolite, Blood