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 (1) Serum or Plasma (1) (-) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (23) Anesthetics (1) Antacids (3) Antianxiety (4) Antiarrhythmics (4) (-) Anticholinergics (2) Antidepressants (12) Antidiabetics (2) Antiepileptics/Antiseizures (11) Antihistamines (4) Antihypertensives (7) Antimicrobials (2) Antineoplastics (1) Antipsychotics (6) Antispasmodics (2) Appetite Suppressants (2) Decongestants (2) Immunosuppressants (2) Industrial/Environmental Toxins (1) Muscle Relaxants (2) Opiate/Opioid Antagonists (5) Sedative/Hypnotics (6) Stimulants (3) Vasodilators (2) Test Sub-Category Other (2) Test Test Name 3957B Procyclidine, Blood 3957U Procyclidine, Urine