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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antipsychotics (1) Test Sub-Category Barbiturates (1) Opiates/Opioids (2) Other (10) (-) Phenothiazines (1) Tetracyclics (2) Test Test Name 2689SP Mesoridazine, Serum/Plasma