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ICD-10-CM · FY 2026 APRIL UPDATE

I50

Heart failure

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
I50.1Left ventricular failure, unspecifiedBillable
I50.2Systolic (congestive) heart failureCategory
I50.20Unspecified systolic (congestive) heart failureBillable
I50.21Acute systolic (congestive) heart failureBillable
I50.22Chronic systolic (congestive) heart failureBillable
I50.23Acute on chronic systolic (congestive) heart failureBillable
I50.3Diastolic (congestive) heart failureCategory
I50.30Unspecified diastolic (congestive) heart failureBillable
I50.31Acute diastolic (congestive) heart failureBillable
I50.32Chronic diastolic (congestive) heart failureBillable
I50.33Acute on chronic diastolic (congestive) heart failureBillable
I50.4Combined systolic (congestive) and diastolic (congestive) heart failureCategory
I50.40Unspecified combined systolic (congestive) and diastolic (congestive) heart failureBillable
I50.41Acute combined systolic (congestive) and diastolic (congestive) heart failureBillable
I50.42Chronic combined systolic (congestive) and diastolic (congestive) heart failureBillable
I50.43Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failureBillable
I50.8Other heart failureCategory
I50.81Right heart failureCategory
I50.810Right heart failure, unspecifiedBillable
I50.811Acute right heart failureBillable
I50.812Chronic right heart failureBillable
I50.813Acute on chronic right heart failureBillable
I50.814Right heart failure due to left heart failureBillable
I50.82Biventricular heart failureBillable
I50.83High output heart failureBillable
I50.84End stage heart failureBillable
I50.89Other heart failureBillable
I50.9Heart failure, unspecifiedBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.