I50.4

Non-billable

Combined systolic (congestive) and diastolic (congestive) heart failure

I50.4 is the ICD-10-CM code for Combined systolic (congestive) and diastolic (congestive) heart failure. It is a non-billable category code — use a more specific child code such as I50.40 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I50
Subcodes
4
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • Combined systolic and diastolic left ventricular heart failure
  • Heart failure with reduced ejection fraction and diastolic dysfunction

Notes

  • end stage heart failure, if applicable (I50.84)

Frequently asked questions

What is ICD-10 code I50.4?
I50.4 is the ICD-10-CM code for "Combined systolic (congestive) and diastolic (congestive) heart failure". It falls under I00-I99 Diseases of the circulatory system.
Is I50.4 a billable code?
No — I50.4 is a non-billable header code. Use a more specific child code (such as I50.40) for billing.
What are the subcodes of I50.4?
I50.4 has 4 more specific child codes, including I50.40, I50.41, I50.42.

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

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