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 Blood (1) Fat (1) Serum or Plasma (2) Tissue (1) (-) Urine (3) Test Area (-) Exposure (3) Newborn Tox (1) Therapeutics (10) Test Category Industrial/Environmental Toxins (1) Other (2) Test Sub-Category Other (3) Test Test Name 1352U o-Cresol, Urine 1355U o-Toluidine, Urine 3250U Oxalate, Urine