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ICD-10 Guide
ICD-10 CodesI71.01

I71.01

Non-billable

Dissection of thoracic aorta

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

Code Description

ICD-10 I71.01 is a used to indicate a diagnosis of dissection of thoracic aorta.

Key Diagnostic Point:

Dissection of the thoracic 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. This condition typically presents with sudden onset of severe chest pain, which may radiate to the back, and can be accompanied by symptoms such as shortness of breath, syncope, or neurological deficits depending on the extent of the dissection. The thoracic aorta, which extends from the heart to the diaphragm, is divided into the ascending aorta, aortic arch, and descending aorta. Disease progression can lead to life-threatening complications such as aortic rupture or compromised blood flow to vital organs. Diagnosis often involves imaging studies such as CT angiography, MRI, or transesophageal echocardiography to confirm the presence and extent of the dissection. 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 assessment.
  • Treatment complexity: May involve emergency surgical intervention or intensive medical management.
  • Documentation requirements: Detailed clinical notes and imaging reports are essential.
  • 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 missing imaging reports.
  • Billing challenges: Denials due to lack of specificity or insufficient 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 I71.01 is profound, as thoracic aortic dissection is a life-threatening condition that can lead to significant morbidity and mortality if not promptly diagnosed and treated. Population health impact includes the need for increased awareness and early intervention strategies to reduce the incidence of complications. Quality measures may focus on timely diagnosis and treatment protocols, while healthcare utilization patterns reflect the need for advanced imaging and surgical resources. Epidemiologically, this condition is often associated with risk factors such as hypertension and connective tissue disorders, highlighting the importance of preventive care.

ICD-9 vs ICD-10

The clinical significance of I71.01 is profound, as thoracic aortic dissection is a life-threatening condition that can lead to significant morbidity and mortality if not promptly diagnosed and treated. Population health impact includes the need for increased awareness and early intervention strategies to reduce the incidence of complications. Quality measures may focus on timely diagnosis and treatment protocols, while healthcare utilization patterns reflect the need for advanced imaging and surgical resources. Epidemiologically, this condition is often associated with risk factors such as hypertension and connective tissue disorders, highlighting the importance of preventive care.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the complexity of the interventions performed. Common denials may arise from insufficient documentation or lack of specificity in coding. It is essential to ensure that all imaging studies and clinical assessments are well-documented to support the medical necessity of the procedures performed. Adherence to coding best practices, including the use of modifiers when applicable, can help mitigate 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 I71.01?

I71.01 specifically covers the dissection of the thoracic aorta, which includes conditions where there is a tear in the aortic wall leading to separation of the layers. It is crucial to differentiate this from other aortic diseases such as aneurysms or dissections of other segments.

When should I71.01 be used instead of related codes?

I71.01 should be used when there is a confirmed diagnosis of thoracic aortic dissection, particularly when imaging studies indicate a specific tear in the aortic wall. It should not be used for aortic aneurysms or dissections that do not involve the thoracic segment.

What documentation supports I71.01?

Documentation must include clinical findings, imaging results confirming the dissection, and any relevant history of hypertension or connective tissue disorders. Detailed notes on the patient's symptoms and the treatment plan are also necessary.