ICD-10-CM I71.21: Aneurysm of the ascending aorta, without rupture

Parent Code (Less Specific):

About ICD-10-CM Code I71.21 (Aneurysm of the ascending aorta)

ICD-10-CM code I71.21 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 I71.21 became effective on October 1, 2024.

This page provides detailed information about I71.21 - Aneurysm of the ascending aorta, without rupture. 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 Aneurysm of the ascending aorta related to rupture.