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ICD-10 Guide
ICD-10 CodesI25.718

I25.718

Billable

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

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

Code Description

ICD-10 I25.718 is a billable code used to indicate a diagnosis of atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris.

Key Diagnostic Point:

I25.718 refers to atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of 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 can manifest as chest pain, discomfort, or pressure, particularly during physical exertion or emotional stress. The anatomy involved includes the coronary arteries and the bypass grafts, which are typically harvested from the patient's own veins. Disease progression can lead to ischemic heart disease, heart failure, or myocardial infarction if not managed appropriately. Diagnostic considerations include a thorough patient history, physical examination, stress testing, and imaging studies such as angiography to assess graft patency and blood flow. The identification of this specific code is crucial for accurate diagnosis and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misidentifying the type of angina or the graft status.
  • Documentation gaps may arise if the clinical details of the graft and angina are not thoroughly recorded.
  • Billing challenges often occur due to the need for precise coding to reflect the complexity of the patient's condition.

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 I25.718 lies in its association with increased morbidity and potential mortality due to heart disease. Understanding this condition is crucial for improving patient outcomes and managing healthcare resources effectively. Population health impact includes the need for ongoing monitoring and treatment of patients with a history of coronary artery bypass grafting, as they are at higher risk for recurrent cardiovascular events. Quality measures may focus on the management of angina and the patency of grafts, influencing healthcare utilization patterns and resource allocation.

ICD-9 vs ICD-10

The clinical significance of I25.718 lies in its association with increased morbidity and potential mortality due to heart disease. Understanding this condition is crucial for improving patient outcomes and managing healthcare resources effectively. Population health impact includes the need for ongoing monitoring and treatment of patients with a history of coronary artery bypass grafting, as they are at higher risk for recurrent cardiovascular events. Quality measures may focus on the management of angina and the patency of grafts, influencing healthcare utilization patterns and resource allocation.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is clearly linked to the treatment provided. Common denials may arise from insufficient documentation of the graft status or the nature of the angina. Best practices include maintaining thorough records of diagnostic tests and treatment plans to support the medical necessity of the services rendered.

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 I25.718?

I25.718 covers atherosclerosis affecting autologous vein grafts used in coronary artery bypass surgery, specifically when accompanied by other forms of angina pectoris, such as stable angina, unstable angina, or variant angina.

When should I25.718 be used instead of related codes?

I25.718 should be used when the patient has a documented history of atherosclerosis in vein grafts with associated angina symptoms. It is distinct from codes that pertain to native coronary arteries or other forms of grafts.

What documentation supports I25.718?

Documentation should include a detailed history of coronary artery bypass grafting, current symptoms of angina, results from diagnostic tests such as angiography, and any treatment plans that reflect the complexity of the condition.