I1A Other hypertension

The ICD-10-CM code for Other hypertension is I1A (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 I1A

2 codes (1 billable)

FY2026 Status

Stable since FY2024

References

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