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 (2) Analgesics (7) Anesthetics (1) Anticholinergics (1) Antidepressants (3) Antiepileptics/Antiseizures (6) Antihistamines (1) Antihypertensives (2) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Decongestants (4) Diagnostic Aids (1) Drugs of Abuse (4) Hallucinogens (5) Metals/Elements (5) Pesticides/Insecticides (1) Plasticizers (1) Sedative/Hypnotics (2) (-) Solvents (1) Therapeutics (6) Volatiles (2) Test Sub-Category Other (1) Test Test Name 4030U Pyridine, Urine