All ICD10 Codes

B57

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Chagas' disease

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

B50-B64 Parent Instructions

Excludes1(Not coded here)
  • amebiasis (A06.-)
  • other protozoal intestinal diseases (A07.-)

Instructional Notes

Includes
  • American trypanosomiasis
  • infection due to Trypanosoma cruzi

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
B50-B64Protozoal diseases (B50-B64)
B57Chagas' disease
B57.0Acute Chagas' disease with heart involvement
B57.1Acute Chagas' disease without heart involvement
B57.2Chagas' disease (chronic) with heart involvement
B57.3Chagas' disease (chronic) with digestive system involvement
B57.4Chagas' disease (chronic) with nervous system involvement
B57.5Chagas' disease (chronic) with other organ involvement

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B57:

blockB50-B64
Protozoal diseases (B50-B64)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to B57. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

24 raw paths
Cardiomyopathy (familial) (idiopathic)2 unique routes
in(2 variants)
Chagas' disease (chronic)→B57(2 variants)
acute→B57
Chagas' (-Mazza) disease (chronic)17 unique routes
Direct index entry→B57
acute (with)→B57(3 variants)
cardiovascular NEC→B57
myocarditis→B57
with(13 variants)
cardiovascular involvement NEC→B57
digestive system involvement→B57(4 variants)
megacolon→B57
megaesophagus→B57
other specified→B57
megacolon→B57
megaesophagus→B57
myocarditis→B57
nervous system involvement→B57(4 variants)
meningitis→B57
meningoencephalitis→B57
other specified→B57
specified organ involvement NEC→B57
Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)1 unique routes
in (due to)
Chagas' disease (chronic)→B57
Megacolon (acquired) (functional) (not Hirschsprung's disease) (in)1 unique routes
Chagas' disease→B57
Megaesophagus (functional)1 unique routes
in (due to) Chagas' disease→B57
Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic)1 unique routes
in (due to)
Chagas' disease (chronic)→B57
Trypanosomiasis1 unique routes
where
Chagas' disease is prevalent→B57

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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