ICD-10-CM Diagnosis Code (2025)
Official Description for I42.1
Obstructive hypertrophic cardiomyopathy
Coding Notes & Guidelines for I42.1
Inclusion Terms
Hypertrophic subaortic stenosis (idiopathic)
Parent Code (Less Specific):
About ICD-10-CM Code I42.1 (Obstructive hypertrophic cardiomyopathy)
ICD-10-CM code I42.1 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 I42.1 became effective on October 1, 2024.
This page provides detailed information about I42.1 - Obstructive hypertrophic cardiomyopathy. 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 Obstructive hypertrophic cardiomyopathy.