1. I34 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.-)
    1. I34.0 Nonrheumatic mitral (valve) insufficiency

      Inclusion term(s):

      • Nonrheumatic mitral (valve) incompetence NOS
      • Nonrheumatic mitral (valve) regurgitation NOS
    2. I34.1 Nonrheumatic mitral (valve) prolapse

      Inclusion term(s):

      • Floppy nonrheumatic mitral valve syndrome
    3. I34.2 Nonrheumatic mitral (valve) stenosis

    4. I34.8 Other nonrheumatic mitral valve disorders

    5. I34.9 Nonrheumatic mitral valve disorder, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.