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 971.0 Poisoning by parasympathomimetics (cholinergics) View the most recent version of ICD-9-CM 971.0 971.0 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 971.* hierarchy Alternate Terminology Acetylcholine Anticholinesterase: organophosphorus reversible Pilocarpine