ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 9 I00-I99 Diseases of the circulatory system /
I10-I1A Hypertensive diseases /
I1A Other hypertension

  Billable ICD-10-CM Code I1A.0
I1A.0
Resistant hypertension
Apparent treatment resistant hypertension
Treatment resistant hypertension
True resistant hypertension
codeFirst
specific type of existing hypertension, if known, such as:
essential hypertension (I10)
secondary hypertension (I15.-)