ICD-10-CM › A00-B99 › B50-B64 › B57.4 Chagas' disease (chronic) with... › B57.40
Chagas' disease with nervous system involvement, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Chagas' disease with nervous system involvement, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from B57 Chagas' disease
Includes
- American trypanosomiasis
- infection due to Trypanosoma cruzi
Inherited from the B50-B64 section Protozoal diseases (B50-B64)
Excludes1 - never coded here
- amebiasis (A06.-)
- other protozoal intestinal diseases (A07.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Chagas' > with > nervous system involvement
Codes in the same group
| Code | Description | Status |
|---|---|---|
| B57.41 | Meningitis in Chagas' disease | Valid |
| B57.42 | Meningoencephalitis in Chagas' disease | Valid |
| B57.49 | Other nervous system involvement in Chagas' disease | Valid |