ICD-10-CM I34: Nonrheumatic mitral valve disorders

ICD-10-CM Diagnosis Code (2025)

Official Description for I34

Nonrheumatic mitral valve disorders

Coding Notes & Guidelines for I34

Excludes1: Not Coded Here
  • mitral valve disease (I05.9)
  • mitral valve failure (I05.8)
  • mitral valve stenosis (I05.0)
  • mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)
  • mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)
  • mitral valve disorder specified as congenital (Q23.2, Q23.9)
  • mitral valve disorder specified as rheumatic (I05.-)
Excludes1: Not Coded Here

Marfan's syndrome (Q87.4-)

Inclusion Terms
  • Nonrheumatic mitral (valve) incompetence NOS
  • Nonrheumatic mitral (valve) regurgitation NOS
Inclusion Terms

Floppy nonrheumatic mitral valve syndrome

Inclusion Terms
  • Nonrheumatic mitral (valve) annular calcification
  • Mitral (valve) annulus calcification NOS
Code Also
  • , if applicable:
  • nonrheumatic mitral (valve) annulus calcification (I34.81)
Code Also
  • , if applicable:
  • nonrheumatic mitral (valve) annulus calcification (I34.81)
Code Also
  • , if applicable:
  • nonrheumatic mitral (valve) insufficiency (I34.0)
  • nonrheumatic mitral (valve) stenosis (I34.2)

Child Codes (More Specific Codes for I34):

I34.0 - Nonrheumatic mitral (valve) insufficiency I34.1 - Nonrheumatic mitral (valve) prolapse I34.2 - Nonrheumatic mitral (valve) stenosis I34.8 - Other nonrheumatic mitral valve disorders I34.81 - Nonrheumatic mitral (valve) annulus calcification I34.89 - Other nonrheumatic mitral valve disorders I34.9 - Nonrheumatic mitral valve disorder, unspecified

About ICD-10-CM Code I34 (Nonrheumatic mitral valve disorders)

ICD-10-CM code I34 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 I34 became effective on October 1, 2024.

This page provides detailed information about I34 - Nonrheumatic mitral 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 mitral valve disorders.