ICD-10-CM > I00-I99 > I30-I5A > I50 > I50.8 > I50.81 > I50.814 I50.814 Right heart failure due to left heart failure Billable/Specific Copy Code Copy Description Applicable To Right ventricular failure secondary to left ventricular failure Code Also the type of left ventricular failure, if known (I50.2-I50.43) Type 1 Excludes Right heart failure with but not due to left heart failure (I50.82)