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) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (4) Analgesics (12) Anesthetics (3) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (7) Antidiabetics (1) Antiepileptics/Antiseizures (16) Antihistamines (3) Antihypertensives (4) Antimicrobials (4) Antipsychotics (5) Appetite Suppressants (2) Chemicals (1) (-) Cholinesterase Inhibitors (2) Decongestants (8) Diagnostic Aids (1) Drugs of Abuse (4) Hallucinogens (6) Herbicides (1) Industrial/Environmental Toxins (1) Metals/Elements (6) NPS/Designer Drugs (1) Perfluorinated Compounds (1) Pesticides/Insecticides (2) Plasticizers (1) Sedative/Hypnotics (4) Solvents (2) Therapeutics (5) Vasodilators (1) Volatiles (4) Test Sub-Category Other (2) Test Test Name 4038SP Pyridostigmine, Serum/Plasma 4038U Pyridostigmine, Urine