Nonrheumatic mitral valve disorders Excludes1mitral 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.-)