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I34

Non-billable

Nonrheumatic mitral valve disorders

I34 is the ICD-10-CM code for Nonrheumatic mitral valve disorders. It is a non-billable category code — use a more specific child code such as I34.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
5
Edition
FY2026

I00-I99 Diseases of the circulatory system

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.-)

Frequently asked questions

What is ICD-10 code I34?
I34 is the ICD-10-CM code for "Nonrheumatic mitral valve disorders". It falls under I00-I99 Diseases of the circulatory system.
Is I34 a billable code?
No — I34 is a non-billable header code. Use a more specific child code (such as I34.0) for billing.
What are the subcodes of I34?
I34 has 5 more specific child codes, including I34.0, I34.1, I34.2.
What is excluded from 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.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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