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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) Tissue (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Acids (1) Alcohols (1) Analgesics (1) Antidepressants (1) (-) Antiepileptics/Antiseizures (1) (-) Antihypertensives (1) Antiparkinsons (1) Antipsychotics (2) Cholinesterase Inhibitors (1) Solvents (2) Terpenes (1) Volatiles (1) Test Sub-Category Calcium Channel Blockers (1) Other (1) Test Test Name 4700U Trimethadione and Metabolite, Urine 4770U Verapamil, Urine