I11 Hypertensive heart disease

The ICD-10-CM code for Hypertensive heart disease is I11 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

9: Diseases of the circulatory system (I00-I99)

Section

I10-I1A: Hypertensive diseases (I10-I1A)

Category I11

3 codes (2 billable)

FY2026 Status

Stable since FY2024

Official Coding Guidelines

I11 + addl code for I50/I51 heart conditions (incl I50.-, I51.4, I51.89, I51.9)

1) Hypertension with Heart Disease Hypertension with heart conditions classified to I50.-, Heart failure, I51.4, Myocarditis, unspecified, I51.89, Other ill-defined heart diseases, and I51.9, Heart disease, unspecified, is assigned to a code from category I11, Hypertensive heart disease. Use additional code(s) from category I50, Heart failure, or I51, Complications and ill-defined descriptions of heart disease, to identify the heart condition.

I11 for I51.5/I51.7; no additional code for specific heart condition

Hypertension with heart conditions classified to I51.5, Myocardial degeneration, or I51.7, Cardiomegaly, is assigned to a code from category I11, Hypertensive heart disease. No additional code is assigned to identify the specific heart condition.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool