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) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (1) Test Category (-) Acids (1) Alcohols (5) Antiepileptics/Antiseizures (1) Biomarkers (2) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (3) Industrial/Environmental Toxins (2) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (2) Solvents (15) Terpenes (1) Therapeutics (2) Volatiles (19) Test Sub-Category Carboxylic Acids (1) (-) Other (1) Test Test Name 4624U Trichloroacetic Acid, Urine