B57 — Chagas' disease
Is B57 billable?
No — B57 is a non-billable header code. B57 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath B57.
Billable codes under this header
- B57.0Acute Chagas' disease with heart involvement
- B57.1Acute Chagas' disease without heart involvement
- B57.2Chagas' disease (chronic) with heart involvement
- B57.5Chagas' disease (chronic) with other organ involvement
- B57.30Chagas' disease with digestive system involvement, unspecified
- B57.31Megaesophagus in Chagas' disease
- B57.32Megacolon in Chagas' disease
- B57.39Other digestive system involvement in Chagas' disease
- B57.40Chagas' disease with nervous system involvement, unspecified
- B57.41Meningitis in Chagas' disease
- B57.42Meningoencephalitis in Chagas' disease
- B57.49Other nervous system involvement in Chagas' disease
B57 at a glance
| Code | B57 |
|---|---|
| Description | Chagas' disease |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Includes
Conditions classified to B57.
- American trypanosomiasis
- infection due to Trypanosoma cruzi
Excludes1 — never code together — inherited from B50-B64
The conditions below can never be reported together with B57 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 1
Report an additional code alongside B57 to fully describe the condition. B57 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of B57, but a patient may have both at the same time. When documentation supports it, B57 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
What codes fall under B57? (6)
- 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 involvementnot billable
- B57.4Chagas' disease (chronic) with nervous system involvementnot billable
- B57.5Chagas' disease (chronic) with other organ involvement
How long has B57 existed?
B57 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.