B57.4 – Chagas' disease (chronic) with nervous system involvement
ICD-10-CM 2027 diagnosis code · Protozoal diseases
ICD-10-CM code
B57.4
- Code
B57.4(claims format:B574)- Description
- Chagas' disease (chronic) with nervous system involvement
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B50-B64 Protozoal diseases
- Parent codes
- B57
Billable codes under B57.4
B57.4 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B57 – Chagas' disease
Includes:
- American trypanosomiasis
- infection due to Trypanosoma cruzi
Block B50-B64
Related codes in B57
- B57.0 – Acute Chagas' disease with heart involvementBillable
- B57.1 – Acute Chagas' disease without heart involvementBillable
- B57.2 – Chagas' disease (chronic) with heart involvementBillable
- B57.3 – Chagas' disease (chronic) with digestive system involvementHeader
- B57.5 – Chagas' disease (chronic) with other organ involvementBillable
Frequently asked questions
What is ICD-10 code B57.4?
B57.4 is the ICD-10-CM code for chagas' disease (chronic) with nervous system involvement, in the block B50-B64 (Protozoal diseases).
Is B57.4 a billable code?
No. B57.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does B57.4 belong to?
It belongs to category B57 – Chagas' disease.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.