B57
Chagas' disease
B57 is a non-billable ICD-10-CM code category for chagas' disease. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are B57.0 Acute Chagas' disease with heart involvement, B57.1 Acute Chagas' disease without heart involvement, B57.2 Chagas' disease (chronic) with heart involvement, B57.3 Chagas' disease (chronic) with digestive system involvement and 2 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 5 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (5 notes)
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Includes
Further defines or gives examples of the content of the category.
- American trypanosomiasis
- infection due to Trypanosoma cruzi
Also from chapter/block level (1 note)
- diseases generally recognized as communicable or transmissible
More specific codes under B57 6
- B57.0Acute Chagas' disease with heart involvementBillable
- B57.1Acute Chagas' disease without heart involvementBillable
- B57.2Chagas' disease (chronic) with heart involvementBillable
- B57.3Chagas' disease (chronic) with digestive system involvementHeader
- B57.4Chagas' disease (chronic) with nervous system involvementHeader
- B57.5Chagas' disease (chronic) with other organ involvementBillable