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ICD-10 Guide
ICD-10 CodesI26.02

I26.02

Billable

Saddle embolus of pulmonary artery with acute cor pulmonale

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

Code Description

ICD-10 I26.02 is a billable code used to indicate a diagnosis of saddle embolus of pulmonary artery with acute cor pulmonale.

Key Diagnostic Point:

I26.02 refers to a saddle embolus of the pulmonary artery with acute cor pulmonale, a critical condition characterized by a large embolus that lodges at the bifurcation of the pulmonary arteries, obstructing blood flow to both lungs. This obstruction can lead to significant hemodynamic changes, resulting in acute cor pulmonale, which is the right-sided heart failure due to increased pressure in the pulmonary arteries. Clinically, patients may present with sudden onset dyspnea, chest pain, tachycardia, and signs of right heart strain. The anatomy involved includes the pulmonary arteries and right ventricle, where the embolus causes acute pressure overload. Disease progression can be rapid, leading to severe complications such as respiratory failure or cardiac arrest if not promptly diagnosed and treated. Diagnostic considerations include imaging studies like CT pulmonary angiography, which can visualize the embolus, along with echocardiography to assess right ventricular function. Early recognition and intervention are crucial to improve outcomes in affected patients.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires advanced imaging and clinical assessment.
  • Treatment complexity: May involve anticoagulation, thrombolysis, or surgical intervention.
  • Documentation requirements: Detailed clinical notes and imaging reports are essential.
  • Coding specificity: Requires precise coding to differentiate from other pulmonary embolism codes.

Audit Risk Factors

  • Common coding errors: Misclassification of embolism type or severity.
  • Documentation gaps: Incomplete clinical notes regarding the patient's presentation and treatment.
  • Billing challenges: Potential denials due to lack of supporting documentation for acute cor pulmonale.

Specialty Focus

Medical Specialties

Pulmonology

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

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

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 I26.02 lies in its potential for rapid deterioration and high mortality if not treated promptly. It affects a significant portion of the population, particularly those with risk factors for thromboembolic disease. Understanding the epidemiology of pulmonary embolism and its complications can inform quality measures and healthcare utilization patterns, emphasizing the need for timely diagnosis and intervention to improve patient outcomes.

ICD-9 vs ICD-10

The clinical significance of I26.02 lies in its potential for rapid deterioration and high mortality if not treated promptly. It affects a significant portion of the population, particularly those with risk factors for thromboembolic disease. Understanding the epidemiology of pulmonary embolism and its complications can inform quality measures and healthcare utilization patterns, emphasizing the need for timely diagnosis and intervention to improve patient outcomes.

Reimbursement & Billing Impact

The clinical significance of I26.02 lies in its potential for rapid deterioration and high mortality if not treated promptly. It affects a significant portion of the population, particularly those with risk factors for thromboembolic disease. Understanding the epidemiology of pulmonary embolism and its complications can inform quality measures and healthcare utilization patterns, emphasizing the need for timely diagnosis and intervention to improve patient outcomes.

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 I26.02?

I26.02 specifically covers cases of saddle embolus of the pulmonary artery leading to acute cor pulmonale. This includes patients who present with acute respiratory distress and right heart failure due to a large embolus obstructing blood flow at the pulmonary artery bifurcation.

When should I26.02 be used instead of related codes?

I26.02 should be used when there is a confirmed diagnosis of a saddle embolus causing acute cor pulmonale, as opposed to other types of pulmonary embolism which may not involve the bifurcation or lead to acute right heart failure.

What documentation supports I26.02?

Documentation supporting I26.02 should include imaging results confirming the presence of a saddle embolus, clinical notes detailing the patient's symptoms, and evidence of acute cor pulmonale, such as echocardiographic findings.