2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Poisoning By Drugs, Medicinals And Biological Substances 960-979 > Poisoning By Drugs Primarily Affecting The Autonomic Nervous System 971.* > 2006 ICD-9-CM Diagnosis 971.1 Poisoning by parasympatholytics (anticholinergics and antimuscarinics) and spasmolytics View the most recent version of ICD-9-CM 971.1 971.1 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 971.* hierarchy Alternate Terminology Atropine Homatropine Hyoscine [scopolamine] Quaternary ammonium derivatives 971.1 Excludes papaverine (972.5)