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 (3) Test Area Therapeutics (1) Test Category Analgesics (3) (-) Antihistamines (1) Antimicrobials (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 2365FL Hydroxyzine and Metabolite, Fluid