Nonrheumatic mitral valve disorders

**Excludes1:** - 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.-)