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) (1) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (4) Serum or Plasma (3) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Acids (1) Alcohols (1) Analgesics (1) Anesthetics (1) Anticholinergics (1) Antidepressants (1) Antiepileptics/Antiseizures (3) Antimigraines (1) Antipsychotics (4) Biomarkers (1) Bronchodilators (1) (-) Cholinesterase Inhibitors (1) Hallucinogens (1) Metals/Elements (2) Opiates/Opioids (1) (-) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (3) Solvents (3) Terpenes (1) Vasodilators (1) Volatiles (3) Test Sub-Category (-) Other (2) Test Test Name 4038U Pyridostigmine, Urine 4821U Xylene Exposure Panel, Urine