ICD-10-CM › I00-I99 › I30-I5A › I34 Nonrheumatic mitral valve disorders › I34.1
Nonrheumatic mitral (valve) prolapse
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Nonrheumatic mitral (valve) prolapse
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I34 Nonrheumatic mitral valve disorders
Excludes1 - never 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.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Falling, falls > any organ or part
- Prolapse, prolapsed > mitral
- Syndrome > floppy > mitral valve
- Floppy > nonrheumatic mitral valve syndrome
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I34.0 | Nonrheumatic mitral (valve) insufficiency | Valid |
| I34.2 | Nonrheumatic mitral (valve) stenosis | Valid |
| I34.8 | Other nonrheumatic mitral valve disorders | Not billable |
| I34.9 | Nonrheumatic mitral valve disorder, unspecified | Valid |