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) (6) Sample Type Blood (2) Serum or Plasma (2) Urine (2) Test Area Therapeutics (6) Test Category (-) Anticholinergics (6) Test Sub-Category (-) Alkaloids (6) Barbiturates (4) Your search has returned no tests.