Other and unspecified mitral valve diseases

This code represents a range of mitral valve disorders that are not specifically categorized elsewhere, or where the exact nature of the mitral valve disease is not fully documented. It encompasses various structural or functional abnormalities of the mitral valve, excluding those with more precise ICD-9-CM codes.

Use this code when documentation indicates a mitral valve disease but lacks specificity regarding its type (e.g., "mitral valve disease NOS," "mitral valve dysfunction, unspecified"). It is appropriate when the physician has not yet determined a more definitive diagnosis, or when the condition does not fit a more specific mitral valve code.

• Avoid using this code if a more specific mitral valve diagnosis (e.g., mitral stenosis, mitral insufficiency) is documented.
• Query the provider for further specificity if possible, as a more precise diagnosis often leads to a more accurate code.
• This code is a "catch-all" and should be used judiciously, prioritizing more specific codes when available.