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 Analgesics (11) Antacids (1) Antianxiety (1) Antiepileptics/Antiseizures (1) Antipsychotics (1) (-) Antispasmodics (1) Muscle Relaxants (2) Pesticides/Insecticides (1) Test Sub-Category Antispasmodics (1) Test Test Name 3266B Oxybutynin, Blood