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v1.0.0
ICD-10 Guide
ICD-10 CodesI26.0

I26.0

Non-billable

Pulmonary embolism with acute cor pulmonale

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

Code Description

ICD-10 I26.0 is a used to indicate a diagnosis of pulmonary embolism with acute cor pulmonale.

Key Diagnostic Point:

Pulmonary embolism with acute cor pulmonale is a critical condition characterized by the obstruction of the pulmonary arteries, typically due to blood clots that travel from the deep veins of the legs or other parts of the body (deep vein thrombosis). This obstruction leads to increased pressure in the pulmonary circulation, which can cause acute cor pulmonale, a condition where the right side of the heart fails due to the increased workload. Clinically, patients may present with sudden onset dyspnea, chest pain, tachycardia, and signs of right heart failure, such as jugular venous distension and peripheral edema. The anatomy involved includes the pulmonary arteries and the right ventricle of the heart. Disease progression can be rapid, leading to severe complications or death if not promptly diagnosed and treated. Diagnostic considerations include imaging studies such as CT pulmonary angiography, echocardiography, and D-dimer tests to confirm the presence of a pulmonary embolism and assess the right heart's function. Early recognition and management are crucial to improving outcomes.

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 misidentifying the type of pulmonary embolism.
  • Documentation gaps may arise from insufficient clinical details regarding the acute cor pulmonale.
  • Billing challenges often stem from the need for comprehensive documentation to justify the severity of the condition.

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 I26.0 is profound, as pulmonary embolism is a leading cause of morbidity and mortality worldwide. Its impact on population health is substantial, contributing to increased healthcare utilization, including emergency visits and hospital admissions. Quality measures often focus on timely diagnosis and treatment of pulmonary embolism to improve patient outcomes. Epidemiologically, the condition is associated with risk factors such as immobility, surgery, and certain medical conditions, highlighting the need for preventive measures in at-risk populations.

ICD-9 vs ICD-10

The clinical significance of I26.0 is profound, as pulmonary embolism is a leading cause of morbidity and mortality worldwide. Its impact on population health is substantial, contributing to increased healthcare utilization, including emergency visits and hospital admissions. Quality measures often focus on timely diagnosis and treatment of pulmonary embolism to improve patient outcomes. Epidemiologically, the condition is associated with risk factors such as immobility, surgery, and certain medical conditions, highlighting the need for preventive measures in at-risk populations.

Reimbursement & Billing Impact

The clinical significance of I26.0 is profound, as pulmonary embolism is a leading cause of morbidity and mortality worldwide. Its impact on population health is substantial, contributing to increased healthcare utilization, including emergency visits and hospital admissions. Quality measures often focus on timely diagnosis and treatment of pulmonary embolism to improve patient outcomes. Epidemiologically, the condition is associated with risk factors such as immobility, surgery, and certain medical conditions, highlighting the need for preventive measures in at-risk populations.

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 I26.0?

I26.0 specifically covers pulmonary embolism that leads to acute cor pulmonale. This includes cases where the embolism causes significant right heart strain or failure, necessitating immediate medical intervention.

When should I26.0 be used instead of related codes?

I26.0 should be used when there is clear documentation of acute cor pulmonale resulting from a pulmonary embolism. If the embolism is present without cor pulmonale, I26.9 should be used instead.

What documentation supports I26.0?

Documentation must include clinical findings that indicate the presence of a pulmonary embolism and evidence of acute cor pulmonale, such as echocardiographic findings, imaging results, and clinical symptoms.