2026
ICD-10-CM
Diagnosis
Code

I51.89 Other ill-defined heart diseases

  • Billable
  • 2016–2026

I51.89 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Other ill-defined heart diseases.

Inclusion term

  • Carditis (acute)(chronic)

  • Pancarditis (acute)(chronic)

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