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 Acids (2) Alcohols (1) Analgesics (10) Antianxiety (2) Anticholinergics (2) Antidepressants (2) Antidiabetics (3) Antidiarrheals (1) Antiemetics (1) Antiepileptics/Antiseizures (10) Antihistamines (6) Antihypertensives (7) Antimicrobials (10) Antineoplastics (1) Antipsychotics (4) Antitussives/Cough Suppressants (4) Cholinesterase Inhibitors (1) Depressants (3) Emetics (2) Expectorants (2) Hallucinogens (7) (-) Hydrocarbons (1) Immunosuppressants (3) Laxatives (1) Muscle Relaxants (5) NMDA Antagonists (1) NPS/Designer Drugs (2) Sedative/Hypnotics (8) Stimulants (4) Volatiles (2) Test Sub-Category Other (1) Test Test Name 2358U 1-Hydroxypyrene, Urine