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 Exposure (1) Test Category Alcohols (1) Analgesics (5) Anesthetics (1) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (3) Antihistamines (1) Antihypertensives (1) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Decongestants (4) Diagnostic Aids (1) Hallucinogens (2) Pesticides/Insecticides (1) Plasticizers (1) (-) Solvents (1) Volatiles (2) Test Sub-Category Other (1) Test Test Name 4030U Pyridine, Urine