I50.810 — Right heart failure, unspecified

I50.810

ICD-10 Chapter 9: Circulatory System — illustrative image — Chapter 9: Diseases of the circulatory system (I00–I99) — illustrative image

What this code means

Right heart failure is failure of the right side of the heart, causing fluid to back up into the body and legs.

Also called: right heart failure, right-sided heart failure.

When this code is used

Used for right heart failure.

Where it sits in ICD-10-CM

Code I50.810 belongs to Chapter 9: Diseases of the circulatory system, which covers codes I00–I99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Swelling in one leg

Related anatomy

Heart

Frequently asked questions

What is ICD-10-CM code I50.810?

I50.810 is the ICD-10-CM diagnosis code for “Right heart failure, unspecified”. Right heart failure is failure of the right side of the heart, causing fluid to back up into the body and legs.

When is code I50.810 used?

Used for right heart failure. It belongs to Chapter 9 of ICD-10-CM (Diseases of the circulatory system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.