Heart disease, unspecified

This code represents a general diagnosis of heart disease when the specific type or etiology is not documented or cannot be determined. It indicates the presence of a cardiac condition without further detail regarding its nature, such as ischemic, valvular, or hypertensive.

Use this code when the medical record clearly states "heart disease" but provides no additional information to allow for a more specific diagnosis. It is appropriate when a definitive diagnosis of a specific heart condition is pending, or when the provider explicitly documents "unspecified heart disease."

• Avoid using this code if more specific documentation is available; query the provider for clarification.
• This is a residual code and should only be used when no other more precise code can be assigned.
• Do not use for symptoms of heart disease (e.g., chest pain, dyspnea) unless a diagnosis of unspecified heart disease is explicitly stated.