I41 – Myocarditis in diseases classified elsewhere
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I41
- Code
I41(claims format:I41)- Description
- Myocarditis in diseases classified elsewhere
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I30-I5A Other forms of heart disease
Notes for I41
Excludes1 (not coded here):
- myocarditis (in):
- Chagas' disease (chronic) (B57.2)
- acute (B57.0)
- coxsackie (virus) infection (B33.22)
- diphtheritic (A36.81)
- gonococcal (A54.83)
- influenzal (J09.X9, J10.82, J11.82)
- meningococcal (A39.52)
- mumps (B26.82)
- rheumatoid arthritis (M05.31)
- sarcoid (D86.85)
- syphilis (A52.06)
- toxoplasmosis (B58.81)
- tuberculous (A18.84)
Index terms for I41
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code I41?
I41 is the ICD-10-CM code for myocarditis in diseases classified elsewhere, in the block I30-I5A (Other forms of heart disease).
Is I41 a billable code?
Yes. I41 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.