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) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (4) Fluid (1) Hair (1) Serum or Plasma (3) Tissue (1) (-) Urine (1) Test Area Exposure (1) Test Category Other (1) Test Sub-Category Other (1) Test Test Name 1352U o-Cresol, Urine