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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (3) Fluid (1) Serum or Plasma (2) (-) Urine (2) Test Area Exposure (2) Test Category (-) Acids (2) Alcohols (6) Antiepileptics/Antiseizures (1) Biomarkers (4) Depressants (2) Drugs of Abuse (4) Drugs of Abuse, Therapeutics (3) Industrial/Environmental Toxins (2) Metals/Elements (1) Other (1) Pesticides/Insecticides (2) Sedative/Hypnotics (2) Solvents (14) Therapeutics (2) Volatiles (19) Test Sub-Category Carboxylic Acids (1) Other (1) Test Test Name 2134U Formic Acid, Urine 4624U Trichloroacetic Acid, Urine