972 Poisoning by agents primarily affecting the cardiovascular system 
972.0 Poisoning by cardiac rhythm regulators convert 972.0 to ICD-10-CM 972.1 Poisoning by cardiotonic glycosides and drugs of similar action convert 972.1 to ICD-10-CM 972.2 Poisoning by antilipemic and antiarteriosclerotic drugs convert 972.2 to ICD-10-CM 972.3 Poisoning by ganglion-blocking agents convert 972.3 to ICD-10-CM 972.4 Poisoning by coronary vasodilators convert 972.4 to ICD-10-CM 972.5 Poisoning by other vasodilators convert 972.5 to ICD-10-CM 972.6 Poisoning by other antihypertensive agents convert 972.6 to ICD-10-CM 972.7 Poisoning by antivaricose drugs, including sclerosing agents convert 972.7 to ICD-10-CM 972.8 Poisoning by capillary-active drugs convert 972.8 to ICD-10-CM
972.9 Poisoning by other and unspecified agents primarily affecting the cardiovascular system convert 972.9 to ICD-10-CM