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 Analgesics (15) Anesthetics (1) Antianxiety (1) Antidepressants (5) (-) Antipsychotics (1) Appetite Suppressants (1) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category Phenothiazines (1) Test Test Name 8689SP Thioridazine and Metabolite, Serum/Plasma