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ICD-10 Guide
ICD-10 CodesI37.1

I37.1

Billable

Nonrheumatic pulmonary valve insufficiency

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 I37.1 is a billable code used to indicate a diagnosis of nonrheumatic pulmonary valve insufficiency.

Key Diagnostic Point:

Nonrheumatic pulmonary valve insufficiency is characterized by the backward flow of blood from the pulmonary artery into the right ventricle due to inadequate closure of the pulmonary valve. This condition can arise from various etiologies, including congenital defects, degenerative changes, or infective endocarditis. Clinically, patients may present with symptoms such as dyspnea, fatigue, palpitations, and signs of right heart failure, including peripheral edema and ascites. The anatomy involved primarily includes the right ventricle, pulmonary valve, and pulmonary artery. Disease progression can lead to right ventricular dilation and dysfunction if left untreated. Diagnostic considerations include echocardiography, which is the primary imaging modality to assess valve function and right ventricular size and function. Additional tests may include cardiac MRI or CT scans for further anatomical evaluation. Early diagnosis and management are crucial to prevent complications such as severe heart failure or arrhythmias.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires echocardiographic evaluation and clinical correlation.
  • Treatment complexity: Management may involve medical therapy or surgical intervention depending on severity.
  • Documentation requirements: Detailed clinical notes and imaging reports are necessary.
  • Coding specificity: Requires precise coding to differentiate from rheumatic and other types of valve insufficiencies.

Audit Risk Factors

  • Common coding errors: Misclassification with rheumatic or other heart valve disorders.
  • Documentation gaps: Incomplete clinical notes or lack of imaging reports.
  • Billing challenges: Potential denials due to insufficient documentation or incorrect coding.

Specialty Focus

Medical Specialties

Cardiology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Cardiothoracic Surgery

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Nonrheumatic pulmonary valve insufficiency can significantly impact patient quality of life and healthcare utilization. It may lead to increased hospitalizations due to heart failure or arrhythmias, affecting population health outcomes. Understanding the epidemiology of this condition helps in developing targeted interventions and quality measures to improve patient care and resource allocation.

ICD-9 vs ICD-10

Nonrheumatic pulmonary valve insufficiency can significantly impact patient quality of life and healthcare utilization. It may lead to increased hospitalizations due to heart failure or arrhythmias, affecting population health outcomes. Understanding the epidemiology of this condition helps in developing targeted interventions and quality measures to improve patient care and resource allocation.

Reimbursement & Billing Impact

Reimbursement considerations include the necessity of echocardiographic studies and potential surgical interventions. Common denials may arise from lack of supporting documentation or misclassification of the condition. Coders should ensure that all clinical findings are well-documented and that the coding aligns with the services provided to minimize billing challenges.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by I37.1?

I37.1 covers nonrheumatic pulmonary valve insufficiency, which may include conditions such as congenital pulmonary valve defects, degenerative valve disease, and post-infective changes. It is essential to differentiate these from rheumatic causes, which are coded separately.

When should I37.1 be used instead of related codes?

I37.1 should be used when the pulmonary valve insufficiency is confirmed to be nonrheumatic in origin. If there is a history of rheumatic fever or evidence of rheumatic heart disease, then the appropriate rheumatic code should be utilized.

What documentation supports I37.1?

Documentation supporting I37.1 should include a comprehensive clinical evaluation, echocardiographic findings indicating pulmonary valve insufficiency, and any relevant history that rules out rheumatic causes. Detailed notes on symptoms and functional status are also critical.