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ICD-10 Guide
ICD-10 CodesI25.71

I25.71

Non-billable

Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris

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

Code Description

ICD-10 I25.71 is a used to indicate a diagnosis of atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris.

Key Diagnostic Point:

I25.71 refers to atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris. This condition arises when there is a buildup of plaque within the grafted veins used in coronary artery bypass surgery, leading to narrowed or blocked arteries. Clinically, patients may present with symptoms of angina pectoris, which is characterized by chest pain or discomfort due to reduced blood flow to the heart muscle. The anatomy involved includes the coronary arteries and the grafts, which are typically harvested from the patient's own veins, such as the saphenous vein. Disease progression can lead to ischemic heart disease, heart attacks, and other serious cardiovascular complications. Diagnostic considerations include a thorough patient history, physical examination, and diagnostic tests such as stress tests, angiography, and imaging studies to assess graft patency and coronary artery status. Early detection and management are crucial to prevent further complications and improve patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires understanding of graft anatomy and atherosclerosis pathology.
  • Treatment complexity: Management may involve medication, lifestyle changes, and potential re-intervention.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis and treatment plan.
  • 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 versus native artery disease.
  • Documentation gaps: Incomplete records regarding the patient's history of bypass surgery.
  • Billing challenges: Potential denials if documentation does not clearly support the diagnosis of angina pectoris.

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

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CPT Code

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Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

I25.71 has significant clinical implications as it highlights the ongoing risk of cardiovascular events in patients with a history of coronary artery bypass grafting. The prevalence of graft atherosclerosis can lead to increased healthcare utilization, including hospital admissions for angina and potential revascularization procedures. Understanding this condition is crucial for improving population health outcomes and implementing quality measures aimed at reducing cardiovascular morbidity and mortality.

ICD-9 vs ICD-10

I25.71 has significant clinical implications as it highlights the ongoing risk of cardiovascular events in patients with a history of coronary artery bypass grafting. The prevalence of graft atherosclerosis can lead to increased healthcare utilization, including hospital admissions for angina and potential revascularization procedures. Understanding this condition is crucial for improving population health outcomes and implementing quality measures aimed at reducing cardiovascular morbidity and mortality.

Reimbursement & Billing Impact

Reimbursement considerations include verifying the medical necessity of the services provided, as well as ensuring that the documentation aligns with the coding. Common denials may arise from insufficient documentation or failure to demonstrate the relationship between the graft condition and the patient's symptoms. Best practices include thorough documentation of the patient's history, clinical findings, and treatment plans to support the coding and billing process.

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 I25.71?

I25.71 covers atherosclerosis affecting autologous vein grafts used in coronary artery bypass surgery, specifically when accompanied by angina pectoris. This includes patients experiencing chest pain due to ischemia related to graft occlusion or stenosis.

When should I25.71 be used instead of related codes?

I25.71 should be used when the patient has a documented history of coronary artery bypass grafting with subsequent development of atherosclerosis in the grafts and presents with angina pectoris. It is distinct from codes that refer to native coronary artery disease or other forms of ischemic heart disease.

What documentation supports I25.71?

Documentation should include a detailed history of coronary artery bypass graft surgery, current symptoms of angina pectoris, results from diagnostic tests indicating graft atherosclerosis, and any treatment plans that address the patient's condition.