E941 Drugs primarily affecting the autonomic nervous system causing adverse effects in therapeutic use 
E941.0 Parasympathomimetics (cholinergics) causing adverse effects in therapeutic use convert E941.0 to ICD-10-CM E941.1 Parasympatholytics (anticholinergics and antimuscarinics) and spasmolytics causing adverse effects in therapeutic use convert E941.1 to ICD-10-CM E941.2 Sympathomimetics (adrenergics) causing adverse effects in therapeutic use convert E941.2 to ICD-10-CM E941.3 Sympatholytics (antiadrenergics) causing adverse effects in therapeutic use convert E941.3 to ICD-10-CM
E941.9 Unspecified drug primarily affecting the autonomic nervous system causing adverse effects in therapeutic use convert E941.9 to ICD-10-CM