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) (6) Sample Type Urine (1) Test Area Exposure (1) Test Category Muscle Relaxants (4) (-) Other (1) Pesticides/Insecticides (4) Test Sub-Category Other (1) Test Test Name 1352U o-Cresol, Urine