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) (-) Anticholinergics (1) Antidepressants (1) Antiepileptics/Antiseizures (1) Antihistamines (1) Antipsychotics (1) Appetite Suppressants (1) Immunosuppressants (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (3) Test Sub-Category (-) Other (1) Test Test Name 3957U Procyclidine, Urine