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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

What this means — in plain language

MedlinePlus · NIH

What is heart failure? Heart failure means that your heart can't pump enough oxygen-rich blood to meet your body's needs. Heart failure doesn't mean that your heart has stopped or is about to stop beating. But without enough blood flow, your organs may not work well, which can cause serious problems. Heart failure can affect one or both sides of your heart: With right-sided heart failure , your heart is too weak to…

Read more about Heart Failure at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH
Heart failure

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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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