ICD-10-CM · Chapter 9 · I00-I99
I34 Nonrheumatic mitral valve disorders
Excludes 1 (cannot be coded together)
- 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.-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I34..0 | Nonrheumatic mitral (valve) insufficiency | Yes |
| I34..1 | Nonrheumatic mitral (valve) prolapse | Yes |
| I34..2 | Nonrheumatic mitral (valve) stenosis | Yes |
| I34..8 | Other nonrheumatic mitral valve disorders | No |
| I34..81 | Nonrheumatic mitral (valve) annulus calcification | Yes |
| I34..89 | Other nonrheumatic mitral valve disorders | Yes |
| I34..9 | Nonrheumatic mitral valve disorder, unspecified | Yes |
Last reviewed: September 2026