B57.2 — Chagas' disease (chronic) with heart involvement
B57.2 is a billable, specific ICD-10-CM code for chagas' disease (chronic) with heart involvement. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- American trypanosomiasis NOS
- Chagas' disease (chronic) NOS
- Chagas' disease (chronic) with myocarditis
- Trypanosomiasis NOS
Other codes that can never be billed with B57.2
These codes carry an Excludes1 note pointing at B57.2. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading B57.2 alone.
- I41Myocarditis in diseases classified elsewhere
Risk adjustment
B57.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
B57.2 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
How B57.2 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B57.2.
- Chagas'(-Mazza) disease (chronic)
- Cardiomyopathy›in›Chagas' disease(chronic)
- Chagas'›with›cardiovascular involvement NEC
- Chagas'›with›myocarditis
- Trypanosomiasis›where›Chagas' disease is prevalent
Related codes at this level
Codes that share B57. If B57.2 is not quite right, the correct code is usually one of these.
Questions about B57.2
- Is B57.2 a billable ICD-10-CM code?
- Yes. B57.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B57.2 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Protozoal diseases (B50-B64).