Nonrheumatic mitral valve disorder, unspecified

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

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 disorder, unspecified

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.

Disease, diseased > mitral > nonrheumatic

Codes in the same group

Code	Description	Status
I34.0	Nonrheumatic mitral (valve) insufficiency	Valid
I34.1	Nonrheumatic mitral (valve) prolapse	Valid
I34.2	Nonrheumatic mitral (valve) stenosis	Valid
I34.8	Other nonrheumatic mitral valve disorders	Not billable