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ICD-10 Guide
ICD-10 CodesI25.7

I25.7

Non-billable

Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris

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

Code Description

ICD-10 I25.7 is a used to indicate a diagnosis of atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris.

Key Diagnostic Point:

I25.7 refers to atherosclerosis of coronary artery bypass graft(s) and coronary artery of a transplanted heart, accompanied by angina pectoris. This condition arises when there is a buildup of plaque within the grafts used to bypass blocked coronary arteries, as well as in the arteries of a transplanted heart. Clinically, patients may present with episodes of angina, characterized by chest pain or discomfort due to reduced blood flow to the heart muscle. The anatomy involved includes the coronary arteries, which supply blood to the heart, and the bypass grafts, which are typically veins or arteries harvested from other parts of the body. Disease progression can lead to worsening angina, heart failure, or myocardial infarction if not managed appropriately. Diagnostic considerations include a thorough patient history, physical examination, and imaging studies such as angiography or stress tests to assess the severity of the atherosclerosis and the functional capacity of the heart. Regular monitoring and management are essential to prevent complications associated with this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires comprehensive assessment of coronary artery status and graft functionality.
  • Treatment complexity: May involve medical management, lifestyle modifications, 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: Misidentifying the type of atherosclerosis or failing to document the presence of angina.
  • Documentation gaps: Incomplete records regarding the patient's history of grafts or angina episodes.
  • Billing challenges: Potential denials due to lack of specificity in documentation or coding errors.

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 I25.7 lies in its association with increased morbidity and mortality in patients with coronary artery disease. It impacts population health by contributing to the burden of cardiovascular diseases, which are leading causes of death globally. Quality measures often focus on the management of angina and the effectiveness of interventions for patients with a history of bypass grafts or heart transplants. Understanding the epidemiology of this condition can help healthcare providers tailor preventive strategies and improve patient outcomes.

ICD-9 vs ICD-10

The clinical significance of I25.7 lies in its association with increased morbidity and mortality in patients with coronary artery disease. It impacts population health by contributing to the burden of cardiovascular diseases, which are leading causes of death globally. Quality measures often focus on the management of angina and the effectiveness of interventions for patients with a history of bypass grafts or heart transplants. Understanding the epidemiology of this condition can help healthcare providers tailor preventive strategies and improve patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is well-supported by clinical evidence and that the treatment plan is clearly outlined. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for procedures related to the condition. Best practices include maintaining comprehensive records and ensuring that coding aligns with the documentation provided.

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 I25.7?

I25.7 covers atherosclerosis affecting both coronary artery bypass grafts and the coronary arteries of a transplanted heart, specifically when accompanied by angina pectoris. This includes conditions where grafts are occluded or narrowed due to plaque buildup, leading to ischemic symptoms.

When should I25.7 be used instead of related codes?

I25.7 should be used when there is clear documentation of atherosclerosis affecting bypass grafts or a transplanted heart, along with the presence of angina. It is distinct from other codes that may refer to native coronary artery disease without graft involvement.

What documentation supports I25.7?

Documentation should include a detailed history of coronary artery disease, specifics about the bypass grafts or transplant, evidence of angina episodes, and results from diagnostic tests such as angiograms or stress tests that confirm the diagnosis.