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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Urine (1) Test Area (-) Exposure (1) Test Category Biomarkers (3) (-) Diagnostic Aids (1) Metals/Elements (17) NPS/Designer Drugs (7) Opiates/Opioids (3) Pesticides/Insecticides (5) Volatiles (3) Test Sub-Category Biomarkers (1) Test Test Name 3475U S-Phenylmercapturic Acid, Urine