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) Serum or Plasma (1) Urine (1) Test Area (-) Therapeutics (1) Test Category (-) Anticholinergics (1) Antihistamines (1) Antipsychotics (2) Hypoglycemic Agents (1) Test Sub-Category (-) Other (1) Test Test Name 2369B Hyoscyamine, Blood