I50Header code — not billable
Heart failure
- Chapter
- 9. Diseases of the circulatory system
- Category
- I50
- Effective date
- October 1, 2026
Related codes in category I50
I50.1Left ventricular failure, unspecifiedYesI50.2Systolic (congestive) heart failureI50.20Unspecified systolic (congestive) heart failureYesI50.21Acute systolic (congestive) heart failureYesI50.22Chronic systolic (congestive) heart failureYesI50.23Acute on chronic systolic (congestive) heart failureYesI50.3Diastolic (congestive) heart failureI50.30Unspecified diastolic (congestive) heart failureYesI50.31Acute diastolic (congestive) heart failureYesI50.32Chronic diastolic (congestive) heart failureYesI50.33Acute on chronic diastolic (congestive) heart failureYesI50.4Combined systolic and diastolic (congestive) hrt fail
Frequently asked questions
What is ICD-10 code I50?
I50 is an ICD-10-CM diagnosis code for Heart failure.
Is I50 a billable code?
No. I50 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I50 in?
I50 falls under Chapter 9: Diseases of the circulatory system.
When did I50 become effective?
I50 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I50?
I50 belongs to category I50, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.