ICD-10-CM > I00-I99 > I30-I5A > I50 > I50.8 I50.8 Other heart failure Non-Billable/Non-Specific Codes I50.81Right heart failureI50.810Right heart failure, unspecifiedI50.811Acute right heart failureI50.812Chronic right heart failureI50.813Acute on chronic right heart failureI50.814Right heart failure due to left heart failureI50.82Biventricular heart failureI50.83High output heart failureI50.84End stage heart failureI50.89Other heart failure