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 Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Test Sub-Category (-) Barbiturates (1) Opiates/Opioids (2) Other (10) Phenothiazines (1) Tetracyclics (2) Test Test Name 2860SP Metharbital and Metabolite, Serum/Plasma