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) Gas Chromatography (GC) (1) Sample Type Blood (6) (-) Urine (1) Test Area Exposure (1) Test Category Acids (4) Alcohols (13) Antiepileptics/Antiseizures (2) Biomarkers (8) Chemicals (1) Depressants (5) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (5) Industrial/Environmental Toxins (3) Metals/Elements (2) (-) Other (1) Perfluorinated Compounds (1) Pesticides/Insecticides (4) Sedative/Hypnotics (4) Solvents (25) Terpenes (2) Therapeutics (4) Volatiles (31) Test Sub-Category Other (1) Test Test Name 1352U o-Cresol, Urine