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ICD-10 Guide
ICD-10 CodesI25.762

I25.762

Billable

Atherosclerosis of bypass graft of coronary artery of transplanted heart with refractory angina pectoris

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

Code Description

ICD-10 I25.762 is a billable code used to indicate a diagnosis of atherosclerosis of bypass graft of coronary artery of transplanted heart with refractory angina pectoris.

Key Diagnostic Point:

I25.762 refers to atherosclerosis of a bypass graft of the coronary artery in a transplanted heart, accompanied by refractory angina pectoris. This condition arises when the grafts used to bypass blocked coronary arteries become narrowed or blocked due to atherosclerosis, a process characterized by the buildup of fatty deposits (plaques) in the arterial walls. The transplanted heart, which may have different hemodynamic and metabolic responses compared to a native heart, can experience significant ischemic symptoms, particularly refractory angina, which is chest pain that persists despite medical therapy. Clinically, patients may present with symptoms of chest discomfort, shortness of breath, and fatigue. Diagnostic considerations include imaging studies such as coronary angiography or non-invasive tests to assess graft patency and myocardial perfusion. The progression of the disease can lead to severe complications, including myocardial infarction, if not managed appropriately. Regular monitoring and early intervention are crucial for improving outcomes in these patients.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough evaluation of graft status and patient symptoms.
  • Treatment complexity: Management may involve multiple specialties and advanced interventions.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis.
  • Coding specificity: Requires precise coding to differentiate from other forms of coronary artery disease.

Audit Risk Factors

  • Common coding errors: Misidentification of graft-related issues or failure to document refractory angina.
  • Documentation gaps: Incomplete clinical notes regarding patient history and treatment responses.
  • Billing challenges: Potential 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

Transplant 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 I25.762 lies in its association with increased morbidity and mortality in heart transplant patients. Atherosclerosis of grafts can lead to significant healthcare utilization, including hospitalizations and re-interventions. Understanding this condition is crucial for improving quality measures and patient outcomes in the transplant population. Epidemiologically, as the number of heart transplants increases, so does the prevalence of graft-related complications, highlighting the need for ongoing monitoring and management strategies.

ICD-9 vs ICD-10

The clinical significance of I25.762 lies in its association with increased morbidity and mortality in heart transplant patients. Atherosclerosis of grafts can lead to significant healthcare utilization, including hospitalizations and re-interventions. Understanding this condition is crucial for improving quality measures and patient outcomes in the transplant population. Epidemiologically, as the number of heart transplants increases, so does the prevalence of graft-related complications, highlighting the need for ongoing monitoring and management strategies.

Reimbursement & Billing Impact

Reimbursement considerations include the need for comprehensive clinical notes that justify the diagnosis of refractory angina and the complexity of the patient's condition. Common denials may arise from insufficient documentation or failure to demonstrate the necessity of procedures performed. Coders should ensure that all relevant details are captured to support the medical necessity of the services provided, including any imaging studies or interventions related to the grafts.

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 I25.762?

I25.762 covers atherosclerosis affecting bypass grafts in patients with a transplanted heart, specifically when accompanied by refractory angina pectoris. This includes cases where patients experience persistent chest pain despite optimal medical therapy.

When should I25.762 be used instead of related codes?

I25.762 should be used when a patient has a documented history of coronary artery bypass grafting in a transplanted heart and presents with refractory angina. It is distinct from codes for native coronary artery disease or stable angina.

What documentation supports I25.762?

Documentation should include a detailed history of the patient's heart transplant, any prior coronary interventions, current symptoms of angina, results from diagnostic imaging, and treatment responses to support the diagnosis of refractory angina.