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) (1) Sample Type Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Alcohols (2) Analgesics (1) Antiarrhythmics (1) Anticholinergics (1) Antidiabetics (1) Antiepileptics/Antiseizures (6) Antihistamines (2) Antipsychotics (3) Appetite Suppressants (1) Chemicals (1) (-) Cholinesterase Inhibitors (1) Hallucinogens (3) Herbicides (1) Perfluorinated Compounds (3) Solvents (1) Therapeutics (2) Vasodilators (1) Volatiles (2) Test Sub-Category Barbiturates (2) (-) Other (1) Test Test Name 4038SP Pyridostigmine, Serum/Plasma