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) (3) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area (-) Exposure (3) Test Category Alcohols (6) Analgesics (21) Anesthetics (5) Antiarrhythmics (2) Anticholinergics (3) Antidepressants (14) Antidiabetics (2) Antiepileptics/Antiseizures (28) Antihistamines (7) Antihypertensives (9) Antimicrobials (6) Antipsychotics (9) Appetite Suppressants (3) Chemicals (1) Cholinesterase Inhibitors (3) Decongestants (11) Diagnostic Aids (2) Herbicides (2) Metals/Elements (14) Perfluorinated Compounds (4) Pesticides/Insecticides (3) Plasticizers (1) Sedative/Hypnotics (6) (-) Solvents (3) Vasodilators (3) Volatiles (10) Test Sub-Category Other (3) Test Test Name 4030B Pyridine, Blood 4030SP Pyridine, Serum/Plasma 4030U Pyridine, Urine