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) (3) Sample Type Blood (8) Fluid (2) Serum or Plasma (9) (-) Tissue (1) Urine (5) Test Area (-) Therapeutics (1) Test Category Antihistamines (1) Test Sub-Category Other (1) Test Test Name 1817TI Doxylamine, Tissue