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ICD-10 Guide
ICD-10 CodesI71.1

I71.1

Non-billable

Thoracic aortic aneurysm, ruptured

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

Code Description

ICD-10 I71.1 is a used to indicate a diagnosis of thoracic aortic aneurysm, ruptured.

Key Diagnostic Point:

Thoracic aortic aneurysm, ruptured, is a critical cardiovascular condition characterized by the abnormal dilation of the thoracic aorta, which can lead to life-threatening rupture. The thoracic aorta is the section of the aorta that runs through the chest, and its aneurysm can occur due to factors such as hypertension, atherosclerosis, connective tissue disorders, or trauma. Clinically, patients may present with sudden, severe chest or back pain, hypotension, and signs of shock, necessitating immediate medical intervention. The disease progression can be rapid, with a high mortality rate if not promptly addressed. Diagnosis typically involves imaging studies such as chest X-rays, CT scans, or MRIs, which can reveal the size and extent of the aneurysm and any signs of rupture. Early detection and management are crucial to improve outcomes, making awareness of this condition vital for healthcare providers.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires advanced imaging and clinical evaluation.
  • Treatment complexity: Involves surgical intervention, often emergency surgery.
  • Documentation requirements: Detailed clinical notes and imaging results are essential.
  • Coding specificity: Requires precise coding to differentiate from other aneurysm types.

Audit Risk Factors

  • Common coding errors: Misclassification of ruptured vs. unruptured aneurysms.
  • Documentation gaps: Incomplete clinical notes regarding the patient's presentation and imaging findings.
  • Billing challenges: Potential denials due to lack of supporting documentation for emergency procedures.

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

The clinical significance of I71.1 is profound, as ruptured thoracic aortic aneurysms are associated with high mortality rates and require immediate intervention. The population health impact is considerable, given the aging population and increasing prevalence of cardiovascular diseases. Quality measures focus on timely diagnosis and treatment, which can significantly reduce morbidity and mortality. Understanding healthcare utilization patterns related to this condition is essential for improving outcomes and resource allocation.

ICD-9 vs ICD-10

The clinical significance of I71.1 is profound, as ruptured thoracic aortic aneurysms are associated with high mortality rates and require immediate intervention. The population health impact is considerable, given the aging population and increasing prevalence of cardiovascular diseases. Quality measures focus on timely diagnosis and treatment, which can significantly reduce morbidity and mortality. Understanding healthcare utilization patterns related to this condition is essential for improving outcomes and resource allocation.

Reimbursement & Billing Impact

Reimbursement considerations include the urgency of the condition, which may qualify for higher payment rates. Common denials can occur if documentation does not clearly support the diagnosis of a ruptured aneurysm or if the procedure performed is not adequately justified. Coders should ensure that all relevant clinical details are captured to support the claim and avoid potential audits.

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 I71.1?

I71.1 specifically covers ruptured thoracic aortic aneurysms, which may be classified based on their location and extent of rupture. It does not cover unruptured aneurysms or those located in other parts of the aorta.

When should I71.1 be used instead of related codes?

I71.1 should be used when there is clear evidence of a ruptured thoracic aortic aneurysm, as indicated by clinical symptoms and imaging studies. It is crucial to differentiate this from I71.0, which is for unruptured cases.

What documentation supports I71.1?

Documentation must include clinical findings such as acute chest pain, imaging results confirming the rupture, and any interventions performed. Detailed notes on the patient's history and risk factors are also essential.