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) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Urine (1) Test Area Exposure (1) Test Category (-) Acids (1) Alcohols (17) Antiepileptics/Antiseizures (3) Biomarkers (6) Depressants (8) Diagnostic Aids (2) Drugs of Abuse (13) Drugs of Abuse, Therapeutics (10) Exposure (1) NPS/Designer Drugs (1) Other (4) Pesticides/Insecticides (1) Solvents (19) Therapeutics (13) Volatiles (35) Test Sub-Category Carboxylic Acids (1) Test Test Name 2134U Formic Acid, Urine