I50.3
Non-billableDiastolic (congestive) heart failure
I50.3 is the ICD-10-CM code for Diastolic (congestive) heart failure. It is a non-billable category code — use a more specific child code such as I50.30 for billing.
I00-I99 Diseases of the circulatory system
Includes
- •Diastolic left ventricular heart failure
- •Heart failure with normal ejection fraction
- •Heart failure with preserved ejection fraction [HFpEF]
Excludes1 — not coded here
- •combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)
Notes
- •end stage heart failure, if applicable (I50.84)
Frequently asked questions
- What is ICD-10 code I50.3?
- I50.3 is the ICD-10-CM code for "Diastolic (congestive) heart failure". It falls under I00-I99 Diseases of the circulatory system.
- Is I50.3 a billable code?
- No — I50.3 is a non-billable header code. Use a more specific child code (such as I50.30) for billing.
- What are the subcodes of I50.3?
- I50.3 has 4 more specific child codes, including I50.30, I50.31, I50.32.
- What is excluded from I50.3?
- Excludes1 (not coded here): combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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