I50.3
ICD-10Non-billable categoryDiastolic (congestive) heart failure
Official ICD-10-CM descriptor (FY2026)
Diastolic (congestive) heart failure
I50.3 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Diastolic left ventricular heart failure
- Heart failure with normal ejection fraction
- Heart failure with preserved ejection fraction [HFpEF]
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- end stage heart failure, if applicable (I50.84)
ICD-10-CM FY2026 defines 4 codes beneath I50.3. See the ICD-10-CM index for what this site publishes.
Related codes in I50
Where this code sits
- Parent code
- I50
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.