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    v1.0.28
    OpenPayerBilling CodesOther forms of heart diseaseICD-10-CM i37-nonrheumatic-pulmonary-valve-disorders
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    ICD-10-CM Code For Nonrheumatic Pulmonary Valve Disorders: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group I37 includes nonrheumatic disorders of the pulmonary valve such as pulmonary valve stenosis and pulmonary valve insufficiency, covering congenital and acquired valve dysfunctions not related to rheumatic disease. These ICD-10-CM diagnosis codes are used to document presentations such as obstructive lesions or regurgitant lesions of the pulmonary valve, capturing disease severity, right-sided heart involvement, or procedural history relevant to this group. Accurate coding within the ICD-10-CM I37 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM I37: Nonrheumatic Pulmonary Valve Disorders Overview

    Nonrheumatic pulmonary valve disorders encompass congenital or acquired abnormalities of the pulmonary valve that are not caused by rheumatic fever, affecting the right ventricular outflow tract and pulmonary circulation. These conditions include pulmonary valve stenosis, insufficiency, or other dysfunctions leading to impaired blood flow between the right ventricle and pulmonary artery. Accurate coding is important for reflecting disease severity and supporting appropriate reimbursement and clinical decision making related to cardiology services.

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    When to Use

    Use a code from this group when the primary clinical problem is pulmonary valve dysfunction not caused by rheumatic fever, such as congenital pulmonary stenosis or acquired pulmonary regurgitation. Assign these codes to reflect the specific valve abnormality, laterality if applicable, and any documented severity or associated procedures.

    ICD-10-CM Codes

    5 rows

    ICD-10-CM CodeDescription
    I37.0Nonrheumatic pulmonary valve stenosis
    I37.1Nonrheumatic pulmonary valve insufficiency
    I37.2Nonrheumatic pulmonary valve stenosis with insufficiency
    I37.8Other nonrheumatic pulmonary valve disorders
    I37.9Nonrheumatic pulmonary valve disorder, unspecified

    DRG Codes

    2 rows

    DRG CodeDescription
    306Cardiac Congenital and Valvular Disorders with MCC
    307Cardiac Congenital and Valvular Disorders without MCC

    Typical Clinical Scenarios

    • An adult presents to the emergency department with acute onset dyspnea, chest discomfort, hypotension, and signs of right ventricular failure after a known episode of infective endocarditis affecting the pulmonary valve. Echocardiography demonstrates severe pulmonary valve regurgitation with right ventricular dilation and evidence of valvular destruction; a nonrheumatic pulmonary valve disorder code is assigned to capture the acute valvular dysfunction related to infection. Typical codes: I37.0, I37.1
    • A middle-aged patient with a history of congenital heart disease repaired in childhood is seen in cardiology clinic for progressive exertional fatigue and peripheral edema; imaging reveals chronic pulmonary valve stenosis with secondary right heart enlargement. Because this is a chronic, structural nonrheumatic pathology of the pulmonary valve causing long-standing hemodynamic consequences, a code reflecting the nonrheumatic pulmonary valve disorder is used for ongoing management and surveillance. Typical codes: I37.2, I37.8
    • A hospitalized patient with pulmonary hypertension develops worsening right-sided heart failure and is found to have nonrheumatic pulmonary valve disease as a contributing comorbidity during admission for acute decompensation. The pulmonary valve abnormality is coded to document the comorbid valvular lesion that complicates the course and influences treatment considerations. Typical codes: I37.8, I37.9

    Related Codes

    I30-ACUTE-PERICARDITIS

    ICD-10-CM Code For Acute Pericarditis: Group Overview

    I31-OTHER-DISEASES-OF-PERICARDIUM

    ICD-10-CM Code For Other Diseases Of Pericardium: Group Overview

    I32-PERICARDITIS-IN-DISEASES-CLASSIFIED-ELSEWHERE

    ICD-10-CM Code For Pericarditis In Diseases Classified Elsewhere: Group Overview

    I33-ACUTE-AND-SUBACUTE-ENDOCARDITIS

    ICD-10-CM Code For Acute And Subacute Endocarditis: Group Overview

    I34-NONRHEUMATIC-MITRAL-VALVE-DISORDERS

    ICD-10-CM Code For Nonrheumatic Mitral Valve Disorders: Group Overview

    I35-NONRHEUMATIC-AORTIC-VALVE-DISORDERS

    ICD-10-CM Code For Nonrheumatic Aortic Valve Disorders: Group Overview

    I36-NONRHEUMATIC-TRICUSPID-VALVE-DISORDERS

    ICD-10-CM Code For Nonrheumatic Tricuspid Valve Disorders: Group Overview

    I38-ENDOCARDITIS-VALVE-UNSPECIFIED

    ICD-10-CM Code For Endocarditis Valve Unspecified: Group Overview

    I39-ENDOCARDITIS-AND-HEART-VALVE-DISORDERS

    ICD-10-CM Code For Endocarditis And Heart Valve Disorders In Diseases Classified Elsewhere: Group Overview

    I40-ACUTE-MYOCARDITIS

    ICD-10-CM Code For Acute Myocarditis: Group Overview

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    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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