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ICD-10 Guide
ICD-10 CodesI25.73

I25.73

Non-billable

Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris

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

Code Description

ICD-10 I25.73 is a used to indicate a diagnosis of atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris.

Key Diagnostic Point:

I25.73 refers to atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris. This condition arises when there is a buildup of plaque within the grafts used in coronary artery bypass surgery, leading to reduced blood flow to the heart muscle. Clinically, patients may present with symptoms of angina pectoris, which is characterized by chest pain or discomfort that occurs when the heart muscle does not receive enough oxygen-rich blood. The anatomy involved includes the coronary arteries and the grafts, which may be derived from biological sources such as veins or arteries from other parts of the body. Disease progression can lead to worsening angina, myocardial ischemia, and potentially myocardial infarction if not managed appropriately. Diagnostic considerations include a thorough patient history, physical examination, and imaging studies such as angiography to assess graft patency and the extent of atherosclerosis. Regular monitoring and management of risk factors such as hypertension, hyperlipidemia, and diabetes are crucial in the care of these patients.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires understanding of graft anatomy and atherosclerotic disease.
  • Treatment complexity: Management may involve medications, lifestyle changes, and possibly re-intervention.
  • 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: Misidentifying the type of graft or failing to document the presence of angina.
  • Documentation gaps: Incomplete records regarding the patient's history of bypass surgery.
  • Billing challenges: Potential denials if the medical necessity for the procedure is not clearly documented.

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 I25.73 lies in its association with increased morbidity and potential mortality due to heart disease. Atherosclerosis in grafts can lead to recurrent angina, heart attacks, and the need for further interventions, impacting population health. Quality measures focus on managing risk factors and ensuring timely interventions to improve patient outcomes. Understanding the epidemiology of this condition helps healthcare providers allocate resources effectively and improve care delivery for patients with coronary artery disease.

ICD-9 vs ICD-10

The clinical significance of I25.73 lies in its association with increased morbidity and potential mortality due to heart disease. Atherosclerosis in grafts can lead to recurrent angina, heart attacks, and the need for further interventions, impacting population health. Quality measures focus on managing risk factors and ensuring timely interventions to improve patient outcomes. Understanding the epidemiology of this condition helps healthcare providers allocate resources effectively and improve care delivery for patients with coronary artery disease.

Reimbursement & Billing Impact

The clinical significance of I25.73 lies in its association with increased morbidity and potential mortality due to heart disease. Atherosclerosis in grafts can lead to recurrent angina, heart attacks, and the need for further interventions, impacting population health. Quality measures focus on managing risk factors and ensuring timely interventions to improve patient outcomes. Understanding the epidemiology of this condition helps healthcare providers allocate resources effectively and improve care delivery for patients with coronary artery disease.

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 I25.73?

I25.73 covers atherosclerosis affecting nonautologous biological coronary artery bypass grafts, specifically when patients experience angina pectoris as a result of this condition.

When should I25.73 be used instead of related codes?

I25.73 should be used when there is documented evidence of atherosclerosis in the grafts with accompanying angina, differentiating it from codes that pertain to native coronary arteries or without angina.

What documentation supports I25.73?

Documentation should include a history of coronary artery bypass grafting, evidence of graft atherosclerosis through imaging studies, and clinical notes indicating the presence of angina pectoris.