Non-Billable / Non-Specific Code
ICD-10-CM I09 is the diagnosis code for Other rheumatic heart diseases. This code falls under the section "Chronic rheumatic heart diseases" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where I09 sits in the ICD-10-CM classification helps ensure proper coding:
No, I09 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I09 is the ICD-10-CM diagnosis code for "Other rheumatic heart diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I09 is located in Section I05-I09 — "Chronic rheumatic heart diseases" within Chapter 9 of the ICD-10-CM Tabular List.
I09 has 5 sub-code(s) that provide more specific detail: I09.0, I09.1, I09.2, I09.8, I09.9.
Use I09 when the patients documented diagnosis matches "Other rheumatic heart diseases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other rheumatic heart diseases is I09.
No, I09 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I09 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I09 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.