I09.9 – Rheumatic heart disease, unspecified
ICD-10-CM 2027 diagnosis code · Chronic rheumatic heart diseases
ICD-10-CM code
I09.9
- Code
I09.9(claims format:I099)- Description
- Rheumatic heart disease, unspecified
- 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 I09.9
Applicable to:
- Rheumatic carditis
Excludes1 (not coded here):
- rheumatoid carditis (M05.31)
Index terms for I09.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I09
Frequently asked questions
What is ICD-10 code I09.9?
I09.9 is the ICD-10-CM code for rheumatic heart disease, unspecified, in the block I05-I09 (Chronic rheumatic heart diseases).
Is I09.9 a billable code?
Yes. I09.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I09.9 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.