What is the ICD-10 code for Other hypertension?

The ICD-10-CM code for Other hypertension is I1A (fiscal year 2026). I1A is a non-billable category code — a more specific code such as I1A.0 is required for claims.

What does ICD-10 code I1A mean?

I1A is the ICD-10-CM diagnosis code for Other hypertension. Other hypertension

Is I1A a billable ICD-10 code?

No, I1A is not a billable code. You may need to select a more specific code from this category.

What chapter is I1A in?

I1A is classified under Chapter 9: Diseases of the circulatory system (I00-I99), Section I10-I1A: Hypertensive diseases (I10-I1A).

What more specific codes exist under I1A?

More specific codes under I1A include: I1A.0. Select the most specific code that matches the clinical documentation.

I1A Other hypertension

⚠ Non-Billable ICD-10-CM 2026

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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

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Reference I1A with the canonical source and edition:

I1A — Other hypertension. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/I1A

Canonical URL: https://icd10codingpro.com/codes/I1A

I1A Other hypertension

Classification

References

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