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ICD-10 Guide
ICD-10 CodesI34.89

I34.89

Billable

Other nonrheumatic mitral valve disorders

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

Code Description

ICD-10 I34.89 is a billable code used to indicate a diagnosis of other nonrheumatic mitral valve disorders.

Key Diagnostic Point:

I34.89 refers to other nonrheumatic mitral valve disorders, which encompass a variety of conditions affecting the mitral valve that are not caused by rheumatic fever. The mitral valve, located between the left atrium and left ventricle of the heart, plays a crucial role in maintaining unidirectional blood flow. Disorders may include mitral valve prolapse, mitral regurgitation, and mitral stenosis, which can lead to symptoms such as shortness of breath, fatigue, palpitations, and in severe cases, heart failure. Disease progression can vary; some patients may remain asymptomatic for years, while others may experience rapid deterioration requiring surgical intervention. Diagnostic considerations include echocardiography, which is essential for assessing valve structure and function, as well as other imaging modalities like MRI or CT scans in complex cases. Clinical management may involve medical therapy, lifestyle modifications, or surgical options such as valve repair or replacement, depending on the severity and symptoms of the disorder.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

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

Internal Medicine

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

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of I34.89 lies in its potential to lead to serious cardiovascular complications if left untreated. Population health impact includes the prevalence of mitral valve disorders, which can affect a significant portion of the aging population. Quality measures may focus on timely diagnosis and appropriate management of these conditions to reduce hospitalizations and improve patient outcomes. Understanding healthcare utilization patterns related to mitral valve disorders is crucial for effective resource allocation and patient care strategies.

ICD-9 vs ICD-10

The clinical significance of I34.89 lies in its potential to lead to serious cardiovascular complications if left untreated. Population health impact includes the prevalence of mitral valve disorders, which can affect a significant portion of the aging population. Quality measures may focus on timely diagnosis and appropriate management of these conditions to reduce hospitalizations and improve patient outcomes. Understanding healthcare utilization patterns related to mitral valve disorders is crucial for effective resource allocation and patient care strategies.

Reimbursement & Billing Impact

Reimbursement considerations include the complexity of the condition and the treatment provided. Common denials may arise from insufficient documentation or failure to specify the nature of the mitral valve disorder. Best practices include ensuring that all relevant clinical information is included in the medical record and that the coding accurately reflects the diagnosis and treatment provided.

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 I34.89?

I34.89 covers various nonrheumatic mitral valve disorders, including but not limited to mitral valve prolapse, mitral regurgitation, and other structural abnormalities of the mitral valve not associated with rheumatic heart disease.

When should I34.89 be used instead of related codes?

I34.89 should be used when the specific type of nonrheumatic mitral valve disorder is not classified under more specific codes such as I34.0 or I34.1. It is essential to ensure that the documentation supports the diagnosis of a nonrheumatic condition.

What documentation supports I34.89?

Documentation should include clinical findings from physical examinations, echocardiographic reports, and any relevant imaging studies that confirm the diagnosis of a nonrheumatic mitral valve disorder. Additionally, treatment plans and patient history should be clearly outlined.