ICD-10-CM 2027 diagnosis code

B57Chagas' disease

Not billable — use a more specific code

B57 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About B57

B57 is the ICD-10-CM diagnosis code for Chagas' disease. It belongs to block B50-B64 (protozoal diseases) and chapter 1 (certain infectious and parasitic diseases). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: B57.0 (involvement), B57.1 (involvement), B57.2 ((chronic) with heart involvement), B57.3 ((chronic) with digestive system involvement), B57.4 ((chronic) with nervous system involvement) and B57.5 ((chronic) with other organ involvement).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under B57

Coding notes

IncludesFurther defines the content of the category

American trypanosomiasis
infection due to Trypanosoma cruzi

Notes that apply from higher levels

Instructions written at a parent level also apply to B57.

Broader instructions also apply from B50-B64 Protozoal diseases and Chapter 1: Certain infectious and parasitic diseases.

Codes whose notes reference B57

F02Code first

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about B57

Is B57 billable?: No. B57 is a header code. Report one of its more specific subcodes instead.