ICD-10 Code for Chagas'
Also indexed as (-Mazza) disease (chronic)
The ICD-10-CM code for chagas' is B57.2 — Chagas' disease (chronic) with heart involvement. This is the code the Alphabetic Index gives for chagas' with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which chagas' code should you use?
The Alphabetic Index lists 12 codes under Chagas'. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| acute | B57.1 | Acute Chagas' disease without heart involvement |
Chagas' with
| cardiovascular involvement NEC | B57.2 | Chagas' disease (chronic) with heart involvement | |
| digestive system involvement | B57.30 | Chagas' disease with digestive system involvement, unspecified | |
| megacolon | B57.32 | Megacolon in Chagas' disease | |
| megaesophagus | B57.31 | Megaesophagus in Chagas' disease | |
| myocarditis | B57.2 | Chagas' disease (chronic) with heart involvement | |
| nervous system involvement | B57.40 | Chagas' disease with nervous system involvement, unspecified | |
| specified organ involvement NEC | B57.5 | Chagas' disease (chronic) with other organ involvement | |
| digestive system involvement › megacolon | B57.32 | Megacolon in Chagas' disease | |
| digestive system involvement › megaesophagus | B57.31 | Megaesophagus in Chagas' disease | |
| digestive system involvement › other specified | B57.39 | Other digestive system involvement in Chagas' disease | |
| nervous system involvement › meningitis | B57.41 | Meningitis in Chagas' disease | |
| nervous system involvement › meningoencephalitis | B57.42 | Meningoencephalitis in Chagas' disease | |
| nervous system involvement › other specified | B57.49 | Other nervous system involvement in Chagas' disease |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources