ICD-10-CM I35: Nonrheumatic aortic valve disorders

ICD-10-CM Diagnosis Code (2025)

Official Description for I35

Nonrheumatic aortic valve disorders

Coding Notes & Guidelines for I35

Excludes2: Not Included Here
  • aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
  • aortic valve disorder specified as congenital (Q23.0, Q23.1)
  • aortic valve disorder specified as rheumatic (I06.-)
  • hypertrophic subaortic stenosis (I42.1)
Inclusion Terms
  • Nonrheumatic aortic (valve) incompetence NOS
  • Nonrheumatic aortic (valve) regurgitation NOS
Code Also

, if applicable, bicuspid aortic valve (Q23.81)

Child Codes (More Specific Codes for I35):

I35.0 - Nonrheumatic aortic (valve) stenosis I35.1 - Nonrheumatic aortic (valve) insufficiency I35.2 - Nonrheumatic aortic (valve) stenosis with insufficiency I35.8 - Other nonrheumatic aortic valve disorders I35.9 - Nonrheumatic aortic valve disorder, unspecified

About ICD-10-CM Code I35 (Nonrheumatic aortic valve disorders)

ICD-10-CM code I35 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 I35 became effective on October 1, 2024.

This page provides detailed information about I35 - Nonrheumatic aortic valve disorders. 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 Nonrheumatic aortic valve disorders.