I34Header code — not billable
Nonrheumatic mitral valve disorders
- Chapter
- 9. Diseases of the circulatory system
- Category
- I34
- Effective date
- October 1, 2026
Related codes in category I34
I34.0Nonrheumatic mitral (valve) insufficiencyYesI34.1Nonrheumatic mitral (valve) prolapseYesI34.2Nonrheumatic mitral (valve) stenosisYesI34.8Other nonrheumatic mitral valve disordersI34.81Nonrheumatic mitral (valve) annulus calcificationYesI34.89Other nonrheumatic mitral valve disordersYesI34.9Nonrheumatic mitral valve disorder, unspecifiedYes
Frequently asked questions
What is ICD-10 code I34?
I34 is an ICD-10-CM diagnosis code for Nonrheumatic mitral valve disorders.
Is I34 a billable code?
No. I34 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I34 in?
I34 falls under Chapter 9: Diseases of the circulatory system.
When did I34 become effective?
I34 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I34?
I34 belongs to category I34, which includes 7 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.