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 Acids (2) Alcohols (1) Analgesics (2) (-) Anticholinergics (1) Antihistamines (1) Antihypertensives (1) Antimicrobials (1) Depressants (2) Hallucinogens (1) Herbicides (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 2369U Hyoscyamine, Urine