ICD-10 · PDGM grouping
B57 Chagas' disease
All 12 codes in the B57 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
12
Can lead a claim
12
Cannot lead a claim
0
What CMS assigns to B57
All 12 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases (10) and Neuro Rehabilitation (2). None of the 12 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in B57
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| B57.0 | Acute Chagas' disease with heart involvement | Can lead a claim | K | None |
| B57.1 | Acute Chagas' disease without heart involvement | Can lead a claim | K | None |
| B57.2 | Chagas' disease (chronic) with heart involvement | Can lead a claim | K | None |
| B57.3 Chagas' disease (chronic) with digestive system involvement | ||||
| B57.30 | Chagas' disease with digestive system involvement, unspecifiedCMS: Chagas' disease with digestive system involvement, unsp | Can lead a claim | K | None |
| B57.31 | Megaesophagus in Chagas' disease | Can lead a claim | K | None |
| B57.32 | Megacolon in Chagas' disease | Can lead a claim | K | None |
| B57.39 | Other digestive system involvement in Chagas' disease | Can lead a claim | K | None |
| B57.4 Chagas' disease (chronic) with nervous system involvement | ||||
| B57.40 | Chagas' disease with nervous system involvement, unspecified | Can lead a claim | K | None |
| B57.41 | Meningitis in Chagas' disease | Can lead a claim | B | None |
| B57.42 | Meningoencephalitis in Chagas' disease | Can lead a claim | B | None |
| B57.49 | Other nervous system involvement in Chagas' disease | Can lead a claim | K | None |
| B57.5 | Chagas' disease (chronic) with other organ involvement | Can lead a claim | K | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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