Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) Fluid (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Anticholinergics (1) (-) Antihistamines (1) Antipsychotics (2) Hallucinogens (1) Herbicides (1) Hypoglycemic Agents (1) Volatiles (1) Test Sub-Category Organochlorides (1) (-) Other (1) Test Test Name 2365SP Hydroxyzine and Metabolite, Serum/Plasma