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ICD-10 Guide
ICD-10 CodesI25.70

I25.70

Non-billable

Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris

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

Code Description

ICD-10 I25.70 is a used to indicate a diagnosis of atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris.

Key Diagnostic Point:

I25.70 refers to atherosclerosis of coronary artery bypass graft(s) that is unspecified, accompanied by angina pectoris. This condition arises when there is a buildup of plaque within the grafts used to bypass blocked coronary arteries, leading to reduced blood flow to the heart muscle. Patients may experience chest pain or discomfort (angina) due to the heart not receiving enough oxygen-rich blood, particularly during physical exertion or stress. The anatomy involved includes the coronary arteries and the bypass grafts, which may be harvested from the patient's own veins or arteries. Disease progression can lead to further ischemic heart disease, heart attacks, or worsening angina. Diagnostic considerations include patient history, physical examination, and imaging studies such as angiography or stress testing to assess graft patency and coronary artery status. Proper identification and coding of this condition are crucial for appropriate management and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires understanding of cardiovascular anatomy and pathology.
  • Treatment complexity: May involve medication management, lifestyle changes, and potential surgical interventions.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis and treatment plan.
  • Coding specificity: Requires accurate coding to differentiate from other forms of coronary artery disease.

Audit Risk Factors

  • Common coding errors: Misidentification of the type of angina or graft involvement.
  • Documentation gaps: Incomplete clinical notes that do not clearly outline the patient's condition.
  • Billing challenges: Potential denials due to lack of specificity or supporting 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

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

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

I25.70 has significant clinical implications as it reflects a common complication of coronary artery bypass grafting, impacting patient quality of life and healthcare utilization. The prevalence of atherosclerosis in bypass grafts contributes to ongoing cardiovascular morbidity and mortality. Understanding this condition is vital for improving population health outcomes, as it emphasizes the need for effective management strategies and preventive measures in patients with a history of coronary artery disease.

ICD-9 vs ICD-10

I25.70 has significant clinical implications as it reflects a common complication of coronary artery bypass grafting, impacting patient quality of life and healthcare utilization. The prevalence of atherosclerosis in bypass grafts contributes to ongoing cardiovascular morbidity and mortality. Understanding this condition is vital for improving population health outcomes, as it emphasizes the need for effective management strategies and preventive measures in patients with a history of coronary artery disease.

Reimbursement & Billing Impact

I25.70 has significant clinical implications as it reflects a common complication of coronary artery bypass grafting, impacting patient quality of life and healthcare utilization. The prevalence of atherosclerosis in bypass grafts contributes to ongoing cardiovascular morbidity and mortality. Understanding this condition is vital for improving population health outcomes, as it emphasizes the need for effective management strategies and preventive measures in patients with a history of 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 I25.70?

I25.70 covers atherosclerosis affecting coronary artery bypass grafts, leading to angina pectoris. It includes patients who have undergone bypass surgery and are experiencing chest pain due to graft-related ischemia.

When should I25.70 be used instead of related codes?

I25.70 should be used when the specific type of angina is not documented, and the focus is on the atherosclerosis of the bypass grafts. If the angina is stable or unstable, or if there are other specific conditions, different codes should be considered.

What documentation supports I25.70?

Documentation should include a clear diagnosis of atherosclerosis of the bypass grafts, evidence of angina pectoris, and any relevant imaging or test results that support the diagnosis.