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ICD-10 Guide
ICD-10 CodesI71.010

I71.010

Billable

Dissection of ascending aorta

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

Code Description

ICD-10 I71.010 is a billable code used to indicate a diagnosis of dissection of ascending aorta.

Key Diagnostic Point:

Dissection of the ascending aorta is a serious cardiovascular condition characterized by a tear in the inner layer of the aortic wall, leading to the separation of the layers of the aorta. Clinically, patients may present with sudden, severe chest pain that may radiate to the back, often described as a 'tearing' sensation. The ascending aorta is the section of the aorta that rises from the heart, and its dissection can lead to life-threatening complications such as aortic rupture or decreased blood flow to vital organs. The disease progression can be rapid, necessitating immediate medical intervention. Diagnostic considerations include imaging studies such as CT angiography, MRI, or transesophageal echocardiography, which can confirm the presence of a dissection and assess its extent. Early diagnosis and management are crucial to improve outcomes, as untreated dissections can lead to significant morbidity and mortality.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

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

Audit Risk Factors

  • Common coding errors include misclassification of the type of dissection.
  • Documentation gaps may arise if the clinical presentation is not thoroughly recorded.
  • Billing challenges can occur if the urgency of the condition is not adequately reflected in the documentation.

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

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of I71.010 lies in its potential for rapid deterioration and high mortality rates if not treated promptly. Population health impact includes the need for timely access to specialized care and surgical intervention. Quality measures may focus on timely diagnosis and treatment of aortic dissection, while healthcare utilization patterns reflect the need for advanced imaging and surgical resources. Epidemiologically, aortic dissections are relatively rare but have significant implications for patient outcomes.

ICD-9 vs ICD-10

The clinical significance of I71.010 lies in its potential for rapid deterioration and high mortality rates if not treated promptly. Population health impact includes the need for timely access to specialized care and surgical intervention. Quality measures may focus on timely diagnosis and treatment of aortic dissection, while healthcare utilization patterns reflect the need for advanced imaging and surgical resources. Epidemiologically, aortic dissections are relatively rare but have significant implications for patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the urgency of treatment. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for imaging studies. Best practices include ensuring that all clinical findings, imaging results, and treatment decisions are clearly documented to support the coding and billing process.

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 I71.010?

I71.010 specifically covers dissection of the ascending aorta. It is important to differentiate it from dissections of other segments of the aorta, such as the descending aorta or thoracic aorta, which have different codes.

When should I71.010 be used instead of related codes?

I71.010 should be used when there is a confirmed diagnosis of dissection specifically involving the ascending aorta. If the dissection involves other segments or is unspecified, other codes such as I71.009 should be considered.

What documentation supports I71.010?

Documentation should include a detailed clinical history, physical examination findings, imaging results confirming the dissection, and any interventions performed. Clear documentation of symptoms and the urgency of the condition is critical.