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 Acids (3) Alcohols (17) Antiepileptics/Antiseizures (3) Biomarkers (4) Depressants (8) Diagnostic Aids (2) Drugs of Abuse (14) Drugs of Abuse, Therapeutics (15) Exposure (1) Gases (1) (-) Industrial/Environmental Toxins (1) NPS/Designer Drugs (1) Other (3) Solvents (21) Therapeutics (13) Volatiles (39) Test Sub-Category Other (1) Test Test Name 1549U Dichlorobenzidine, Urine