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) Sample Type Blood (2) (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antipsychotics (1) Test Sub-Category Barbiturates (1) Opiates/Opioids (1) Other (1) (-) Phenothiazines (1) Tricyclic (4) Test Test Name 8689SP Thioridazine and Metabolite, Serum/Plasma