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) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Urine (1) Test Area Exposure (1) Test Category Analgesics (6) Antiarrhythmics (1) Anticholinergics (4) Antidepressants (2) Antiepileptics/Antiseizures (1) Antimigraines (2) Diagnostic Aids (1) Immunosuppressants (1) NPS/Designer Drugs (5) Opiates/Opioids (2) Pesticides/Insecticides (2) Sedative/Hypnotics (1) Vasodilators (2) (-) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4213U Styrene Exposure Profile, Urine