The ICD-9 code range OTHER FORMS OF HEART DISEASE for 420-429 is medical classification list by the World Health Organization (WHO).
Acute pericarditis
Acute and subacute endocarditis
Acute myocarditis
Other diseases of pericardium
Other diseases of endocardium
Cardiomyopathy
Hypertrophic cardiomyopathy
Conduction disorders
Atrioventricular block other and unspecified
Bundle branch block other and unspecified
Other specified conduction disorders
Cardiac dysrhythmias
Ventricular fibrillation and flutter
Premature beats
Other specified cardiac dysrhythmias
Heart failure
Systolic heart failure
Diastolic heart failure
Combined systolic and diastolic heart failure
Ill-defined descriptions and complications of heart disease
Certain sequelae of myocardial infarction not elsewhere classified
Other ill-defined heart diseases