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    OpenPayerBilling CodesChronic rheumatic heart diseasesICD-10-CM i09-other-rheumatic-heart-diseases
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    ICD-10-CM Code For Other Rheumatic Heart Diseases: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group I09 includes chronic rheumatic heart conditions such as rheumatic mitral and aortic valvular diseases, and other specified rheumatic heart disorders resulting from prior rheumatic fever. These ICD-10-CM diagnosis codes are used to document valve involvement, chronicity, and associated complications or sequelae of rheumatic heart disease, capturing disease severity and cardiac organ involvement. Accurate coding within the ICD-10-CM I09 group supports proper claim adjudication.

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    ICD-10-CM I09: Other Rheumatic Heart Diseases Overview

    The ICD-10-CM I09 group captures chronic rheumatic heart conditions resulting from rheumatic fever that affect the heart valves and other cardiac structures. These diagnoses target the cardiovascular system, specifically rheumatic involvement of valves and connective tissues. Accurate coding matters for reimbursement because it documents the chronic nature and complications of rheumatic heart disease, supporting appropriate claim adjudication and resource use.

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    When to Use

    Use a code from this group when a patient has a documented history of rheumatic fever with current chronic rheumatic involvement of cardiac valves or other rheumatic heart conditions. These codes apply when clinical documentation specifies valve pathology, chronic rheumatic sequelae, or other specified rheumatic heart disease manifestations.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    I09.0Rheumatic myocarditis
    I09.1Rheumatic diseases of endocardium, valve unspecified
    I09.2Chronic rheumatic pericarditis
    I09.81Rheumatic heart failure
    I09.89Other specified rheumatic heart diseases
    I09.9Rheumatic heart disease, unspecified

    DRG Codes

    10 rows

    DRG CodeDescription
    291Heart Failure and Shock with MCC
    292Heart Failure and Shock with CC
    293Heart Failure and Shock without CC/MCC
    306Cardiac Congenital and Valvular Disorders with MCC
    307Cardiac Congenital and Valvular Disorders without MCC
    314Other Circulatory System Diagnoses with MCC
    315Other Circulatory System Diagnoses with CC
    316Other Circulatory System Diagnoses without CC/MCC
    791Prematurity with Major Problems
    793Full Term Neonate with Major Problems

    Typical Clinical Scenarios

    • An adult patient with a history of acute rheumatic fever presents for routine cardiology follow-up with progressive exertional dyspnea and auscultatory findings of a diastolic murmur and signs of congestive heart failure on exam. Echocardiography demonstrates chronic valvular deformities consistent with long-standing rheumatic involvement of the mitral and aortic valves without active inflammatory features, so a chronic rheumatic valvular disease diagnosis is assigned. Typical codes: I09.1, I09.2
    • A middle-aged patient is admitted from the emergency department with new-onset atrial fibrillation and rapid ventricular response; history reveals prior rheumatic fever and known valvular disease. The acute arrhythmia is managed in hospital, and the encounter documents the underlying chronic rheumatic heart disease as the source of the cardiac structural abnormality contributing to the complication, so a chronic rheumatic heart disease code is assigned as a comorbidity. Typical codes: I09.2, I09.81
    • A patient with systemic inflammatory rheumatic disease presents to outpatient clinic with persistent pericarditis symptoms and imaging showing constrictive physiology attributed to chronic rheumatic involvement rather than infectious or neoplastic causes. Because the presentation reflects chronic rheumatic involvement of the pericardium/heart leading to long-term structural complications, a code for other chronic rheumatic heart disease related to pericardial or unspecified rheumatic heart involvement is used. Typical codes: I09.0, I09.89

    Related Codes

    I05-RHEUMATIC-MITRAL-VALVE-DISEASES

    ICD-10-CM Code For Rheumatic Mitral Valve Diseases: Group Overview

    I06-RHEUMATIC-AORTIC-VALVE-DISEASES

    ICD-10-CM Code For Rheumatic Aortic Valve Diseases: Group Overview

    I07-RHEUMATIC-TRICUSPID-VALVE-DISEASES

    ICD-10-CM Code For Rheumatic Tricuspid Valve Diseases: Group Overview

    I08-MULTIPLE-VALVE-DISEASES

    ICD-10-CM Code For Multiple Valve Diseases: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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