I09.9
BillableRheumatic heart disease, unspecified
I09.9 is the ICD-10-CM code for Rheumatic heart disease, unspecified. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Includes
- •Rheumatic carditis
Excludes1 — not coded here
- •rheumatoid carditis (M05.31)
Frequently asked questions
- What is ICD-10 code I09.9?
- I09.9 is the ICD-10-CM code for "Rheumatic heart disease, unspecified". It falls under I00-I99 Diseases of the circulatory system.
- Is I09.9 a billable code?
- Yes — I09.9 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I09.9?
- Excludes1 (not coded here): rheumatoid carditis (M05.31).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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