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) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Anesthetics (1) Test Sub-Category (-) Barbiturates (1) Opiates/Opioids (2) Other (3) Phenothiazines (2) Tricyclic (6) Test Test Name 8636B Thiopental and Metabolite, Blood