Non-Billable / Non-Specific Code
ICD-10-CM I01 is the diagnosis code for Rheumatic fever with heart involvement. 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 I01. They are mutually exclusive:
Understanding where I01 sits in the ICD-10-CM classification helps ensure proper coding:
No, I01 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I01 is the ICD-10-CM diagnosis code for "Rheumatic fever with heart involvement". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I01 is located in Section I00-I02 — "Acute rheumatic fever" within Chapter 9 of the ICD-10-CM Tabular List.
I01 has 5 sub-code(s) that provide more specific detail: I01.0, I01.1, I01.2, I01.8, I01.9.
Use I01 when the patients documented diagnosis matches "Rheumatic fever with heart involvement" 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 fever with heart involvement is I01.
No, I01 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I01 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I01 include: chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process..
Yes, I01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.