I09.0
BillableRheumatic myocarditis
I09.0 is the ICD-10-CM code for Rheumatic myocarditis. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
What this means — in plain language
MedlinePlus · NIHCardiomyopathy is the name for diseases of the heart muscle. These diseases enlarge your heart muscle or make it thicker and more rigid than normal. In rare cases, scar tissue replaces the muscle tissue. Some people live long, healthy lives with cardiomyopathy. Some people don't even realize they have it. In others, however, it can make the heart less able to pump blood through the body. This can cause serious…
Read more about Cardiomyopathy at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •myocarditis not specified as rheumatic (I51.4)
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code I09.0?
- I09.0 is the ICD-10-CM code for "Rheumatic myocarditis". It falls under I00-I99 Diseases of the circulatory system.
- Is I09.0 a billable code?
- Yes — I09.0 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I09.0?
- Excludes1 (not coded here): myocarditis not specified as rheumatic (I51.4).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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