I1A.0
BillableResistant hypertension
I1A.0 is the ICD-10-CM code for Resistant hypertension. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Includes
- •Apparent treatment resistant hypertension
- •Treatment resistant hypertension
- •True resistant hypertension
Code first
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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