ICD-10-CM Diagnosis Code (2025)
Official Description for I1A.0
Resistant hypertension
Coding Notes & Guidelines for I1A.0
Code First
- specific type of existing hypertension, if known, such as:
- essential hypertension (I10)
- secondary hypertension (I15.-)
Inclusion Terms
- Apparent treatment resistant hypertension
- Treatment resistant hypertension
- True resistant hypertension
Parent Code (Less Specific):
About ICD-10-CM Code I1A.0 (Resistant hypertension)
ICD-10-CM code I1A.0 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I1A.0 became effective on October 1, 2024.
This page provides detailed information about I1A.0 - Resistant hypertension. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Resistant hypertension.