I50

Non-billable

Heart failure

I50 is the ICD-10-CM code for Heart failure. It is a non-billable category code — use a more specific child code such as I50.1 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
6
Edition
FY2026

I00-I99 Diseases of the circulatory system

Excludes2 — not included here

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

Code first

  • 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)

Frequently asked questions

What is ICD-10 code I50?
I50 is the ICD-10-CM code for "Heart failure". It falls under I00-I99 Diseases of the circulatory system.
Is I50 a billable code?
No — I50 is a non-billable header code. Use a more specific child code (such as I50.1) for billing.
What are the subcodes of I50?
I50 has 6 more specific child codes, including I50.1, I50.2, I50.3.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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