ICD-10-CM I02 is the diagnosis code for Rheumatic chorea. This code falls under the section "Acute rheumatic fever" 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.
The following conditions should never be coded at the same time as I02. They are mutually exclusive:
Understanding where I02 sits in the ICD-10-CM classification helps ensure proper coding:
No, I02 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I02 is the ICD-10-CM diagnosis code for "Rheumatic chorea". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I02 is located in Section I00-I02 — "Acute rheumatic fever" within Chapter 9 of the ICD-10-CM Tabular List.
I02 has 2 sub-code(s) that provide more specific detail: I02.0, I02.9.
Use I02 when the patients documented diagnosis matches "Rheumatic chorea" 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 Rheumatic chorea is I02.
No, I02 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I02 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I02 include: chorea NOS (G25.5); Huntington's chorea (G10).
Yes, I02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.