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 (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (2) Test Category Acids (1) Anesthetics (2) Antidepressants (1) Antiepileptics/Antiseizures (1) (-) Antihistamines (1) (-) Antiparkinsons (1) Antipsychotics (4) Depressants (1) Other (1) Sedative/Hypnotics (1) Terpenes (1) Volatiles (3) Test Sub-Category Anticholinergics (1) Other (1) Test Test Name 4680B Trihexyphenidyl, Blood 4720B Triprolidine, Blood