Chagas' disease (chronic) with heart involvement

This code signifies chronic Chagas disease where the Trypanosoma cruzi infection has led to cardiac complications. This typically involves cardiomyopathy, arrhythmias, or heart failure as a direct result of the parasitic infection. It represents a late-stage manifestation of the disease affecting the heart.

Use this code when documentation explicitly states chronic Chagas disease with any form of heart involvement, such as Chagasic cardiomyopathy, chronic Chagas heart disease, or heart failure due to Chagas. This diagnosis requires definitive evidence of T. cruzi infection and clinical findings of cardiac pathology.

• Always confirm the chronicity of the Chagas disease and the presence of cardiac involvement from the physician's documentation.
• Do not use this code for acute Chagas disease or chronic Chagas without documented heart involvement.
• Code any specific cardiac manifestations (e.g., I42.7 for Chagas cardiomyopathy) as secondary diagnoses if further specificity is warranted and documented.