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 (6) Serum or Plasma (3) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Acids (1) Analgesics (5) Antidepressants (4) Antiepileptics/Antiseizures (2) Antimicrobials (1) (-) Antiparkinsons (1) Antipsychotics (3) Biomarkers (2) Bronchodilators (1) Metals/Elements (6) Sedative/Hypnotics (1) Solvents (2) Stimulants (1) Sympathomimetic Amines (1) Terpenes (1) (-) Volatiles (1) Test Sub-Category Anticholinergics (1) Other (1) Test Test Name 4658U Trichloroethylene Exposure, Urine 4680U Trihexyphenidyl, Urine