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I34.9

Billable

Nonrheumatic mitral valve disorder, unspecified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A nonrheumatic disorder of the mitral valve is present, but the specific type or nature cannot be determined.

Coding Tips

  • This is the least specific mitral valve code; query the provider for clarification on the type of valve disorder when possible.
  • Use only when documentation does not support assignment of a more specific I34 code.

Code Hierarchy

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