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 Antispasmodics (1) Test Sub-Category (-) Antispasmodics (1) Other (2) Test Test Name 3266U Oxybutynin, Urine