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) (2) Sample Type Blood (5) Fluid (1) Serum or Plasma (5) Tissue (1) (-) Urine (2) Test Area Drugs of Abuse (1) Exposure (3) (-) Therapeutics (2) Test Category Anticholinergics (1) Antihistamines (1) Test Sub-Category Antimalarials (1) Diuretics (1) Opiates/Opioids (2) (-) Other (2) Test Test Name 2365U Hydroxyzine and Metabolite, Urine 2369U Hyoscyamine, Urine