Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzymatic Assay (EZA) (1) (-) Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Urine (2) Test Area Exposure (2) Test Category Analgesics (28) Antianxiety (3) Antiepileptics/Antiseizures (2) Antipsychotics (4) Antispasmodics (3) Drugs of Abuse (1) (-) Industrial/Environmental Toxins (1) Muscle Relaxants (4) (-) Other (1) Pesticides/Insecticides (4) Test Sub-Category Other (2) Test Test Name 1352U o-Cresol, Urine 1355U o-Toluidine, Urine