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ICD-10 Guide
ICD-10 CodesI71.011

I71.011

Billable

Dissection of aortic arch

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

Code Description

ICD-10 I71.011 is a billable code used to indicate a diagnosis of dissection of aortic arch.

Key Diagnostic Point:

Dissection of the aortic arch is a serious cardiovascular condition characterized by a tear in the inner layer of the aorta, leading to separation of the layers of the aortic wall. This condition typically presents with sudden, severe chest pain that may radiate to the back, often described as a 'tearing' sensation. The aortic arch, which is the section of the aorta that curves between the ascending and descending aorta, is particularly vulnerable to dissections. Risk factors include hypertension, connective tissue disorders, and a history of cardiovascular disease. Disease progression can lead to life-threatening complications such as aortic rupture, organ ischemia, or stroke due to compromised blood flow. Diagnosis is primarily through imaging studies such as CT angiography or MRI, which can visualize the dissection and assess its extent. Early recognition and intervention are critical to improving outcomes, as timely surgical or medical management can significantly reduce mortality rates associated with this condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires advanced imaging and clinical evaluation.
  • Treatment complexity: May involve surgical intervention or intensive medical management.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis.
  • Coding specificity: Requires precise coding to differentiate from other aortic conditions.

Audit Risk Factors

  • Common coding errors: Misclassification with other aortic conditions.
  • Documentation gaps: Incomplete clinical notes or lack of imaging reports.
  • Billing challenges: Denials due to insufficient documentation or coding errors.

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

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CPT Code

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CPT Code

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CPT Code

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Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of I71.011 lies in its potential for high morbidity and mortality if not promptly diagnosed and treated. Aortic dissections are rare but can have a significant impact on population health, leading to increased healthcare utilization due to emergency interventions and long-term management of complications. Quality measures may include timely diagnosis and treatment protocols, which are critical for improving patient outcomes in this high-risk condition.

ICD-9 vs ICD-10

The clinical significance of I71.011 lies in its potential for high morbidity and mortality if not promptly diagnosed and treated. Aortic dissections are rare but can have a significant impact on population health, leading to increased healthcare utilization due to emergency interventions and long-term management of complications. Quality measures may include timely diagnosis and treatment protocols, which are critical for improving patient outcomes in this high-risk condition.

Reimbursement & Billing Impact

Reimbursement may be affected by the complexity of the case, the need for surgical intervention, and the presence of comorbid conditions. Common denials may arise from insufficient documentation or incorrect coding. It is essential to ensure that all imaging studies and clinical evaluations are well-documented and that the coding accurately reflects the severity and specifics of the condition. Best practices include thorough documentation of the clinical presentation, imaging findings, and treatment plans to support claims.

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 I71.011?

I71.011 specifically covers dissection of the aortic arch, which may occur in the context of aortic dissection syndromes, including those associated with Marfan syndrome or other connective tissue disorders.

When should I71.011 be used instead of related codes?

I71.011 should be used when the dissection specifically involves the aortic arch, as opposed to the ascending or descending aorta, which are covered by different codes (I71.01 and I71.02).

What documentation supports I71.011?

Documentation should include detailed clinical notes describing the patient's symptoms, imaging results confirming the dissection, and any relevant medical history that supports the diagnosis.