I09.0 – Rheumatic myocarditis
ICD-10-CM 2027 diagnosis code · Chronic rheumatic heart diseases
ICD-10-CM code
I09.0
- Code
I09.0(claims format:I090)- Description
- Rheumatic myocarditis
- 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
- I05-I09 Chronic rheumatic heart diseases
- Parent codes
- I09
Notes for I09.0
Excludes1 (not coded here):
- myocarditis not specified as rheumatic (I51.4)
Index terms for I09.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Myocarditis, rheumatic
- Rheumatic, myocarditis
- Cardiomyopathy, rheumatic
- Myocarditis, with, rheumatic fever
- Rheumatic, degeneration, myocardium
- Myocarditis, with, rheumatic fever, inactive or quiescent
- Insufficiency, insufficient, myocardial, myocardium, rheumatic
- Degeneration, degenerative, myocardial, myocardium, with rheumatic fever
- Insufficiency, insufficient, myocardial, myocardium, with, rheumatic fever
- Fever, rheumatic, inactive or quiescent with, myocarditis, myocardial degeneration
- Degeneration, degenerative, myocardial, myocardium, with rheumatic fever, inactive or quiescent
- Insufficiency, insufficient, myocardial, myocardium, with, rheumatic fever, inactive or quiescent
Related codes in I09
Frequently asked questions
What is ICD-10 code I09.0?
I09.0 is the ICD-10-CM code for rheumatic myocarditis, in the block I05-I09 (Chronic rheumatic heart diseases).
Is I09.0 a billable code?
Yes. I09.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I09.0 belong to?
It belongs to category I09 – Other rheumatic heart diseases.
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.