I50.814 Right heart failure due to left heart failure

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

Also covers

• Right ventricular failure secondary to left ventricular failure

Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

• Right heart failure with but not due to left heart failure (I50.82)

Excludes2

Not part of this code, but both can be coded when both are documented.

• cardiac arrest (I46.-)
• neonatal cardiac failure (P29.0)

Code first

Code the underlying condition first, then this code.

• heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
• heart failure due to hypertension (I11.0)
• heart failure due to hypertension with chronic kidney disease (I13.-)
• heart failure following surgery (I97.13-)
• obstetric surgery and procedures (O75.4)
• rheumatic heart failure (I09.81)

Code also

A second code may be needed. Sequencing depends on the encounter.

• the type of left ventricular failure, if known (I50.2-I50.43)