Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type (-) Urine (1) Test Area Exposure (1) Test Category Analgesics (1) Anticholinergics (1) Antidepressants (2) Antihistamines (1) Antihypertensives (1) Antitussives/Cough Suppressants (4) Diuretics (1) Drugs of Abuse (3) (-) Industrial/Environmental Toxins (1) NPS/Designer Drugs (3) Potassium Channel Blockers (1) Test Sub-Category Other (1) Test Test Name 1549U Dichlorobenzidine, Urine