Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) (-) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (4) Serum or Plasma (2) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) 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 Other (2) Test Test Name 4038U Pyridostigmine, Urine 4658U Trichloroethylene Exposure, Urine