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 (4) Serum or Plasma (4) (-) Urine (2) Test Area Therapeutics (2) Test Category Antiparkinsons (1) Antipsychotics (1) Test Sub-Category Alkaloids (1) Antibiotics (1) (-) Anticholinergics (1) Benzodiazepines (1) Cyanide (1) Opiates/Opioids (5) Other (13) (-) Phenothiazines (1) Toxic Elements (5) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4461U Thioridazine and Metabolite, Urine 4680U Trihexyphenidyl, Urine