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 Therapeutics (1) Test Category Analgesics (2) Antacids (1) (-) Anticholinergics (1) Antidepressants (3) Antiepileptics/Antiseizures (1) Muscle Relaxants (1) Pesticides/Insecticides (1) Solvents (2) Volatiles (3) Test Sub-Category Other (1) Test Test Name 3957U Procyclidine, Urine