Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (1) Gas Chromatography (GC) (1) Sample Type Blood (1) (-) Serum or Plasma (2) Urine (3) Test Area Exposure (1) Therapeutics (1) Test Category Analgesics (10) Antacids (1) Antianxiety (1) Antiepileptics/Antiseizures (1) Antipsychotics (1) (-) Antispasmodics (1) Muscle Relaxants (1) (-) Other (1) Pesticides/Insecticides (1) Test Sub-Category Antispasmodics (1) Other (1) Test Test Name 3250SP Oxalate, Serum/Plasma 3266SP Oxybutynin, Serum/Plasma