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) (2) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category (-) Acids (2) Alcohols (11) Antiepileptics/Antiseizures (2) Biomarkers (4) Diagnostic Aids (1) Drugs of Abuse (4) Drugs of Abuse, Therapeutics (5) Exposure (1) Industrial/Environmental Toxins (2) NPS/Designer Drugs (1) Other (7) Perfluorinated Compounds (1) Pesticides/Insecticides (2) Sedative/Hypnotics (4) Solvents (29) Terpenes (3) Therapeutics (4) Volatiles (53) Test Sub-Category Carboxylic Acids (2) (-) Other (2) Test Test Name 4624B Trichloroacetic Acid, Blood 4624U Trichloroacetic Acid, Urine