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ICD-10 Guide
ICD-10 CodesI25.701

I25.701

Billable

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

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

Code Description

ICD-10 I25.701 is a billable code used to indicate a diagnosis of atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm.

Key Diagnostic Point:

I25.701 refers to atherosclerosis of coronary artery bypass graft(s) that is unspecified and associated with angina pectoris accompanied by documented spasm. This condition arises when there is a buildup of plaque in the coronary arteries, which can lead to reduced blood flow and oxygen to the heart muscle, resulting in angina. The coronary artery bypass grafts (CABGs) are surgical procedures that reroute blood around blocked arteries to improve blood flow to the heart. The presence of angina pectoris indicates that the patient experiences chest pain or discomfort due to ischemia, which may be exacerbated by coronary artery spasm. This condition can progress to more severe cardiovascular events, including myocardial infarction. Diagnostic considerations for I25.701 include patient history, physical examination, and diagnostic tests such as stress testing, angiography, and imaging studies to assess graft patency and coronary artery status. Understanding the anatomy of the coronary arteries and the grafts is crucial for effective management 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 failing to document spasm.
  • Documentation gaps may arise from insufficient detail regarding the patient's history of angina or graft status.
  • Billing challenges can occur if the relationship between angina and graft atherosclerosis is not clearly established.

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 I25.701 lies in its association with increased morbidity and potential for acute cardiovascular events. Understanding this condition is crucial for managing patient care effectively. Population health impact includes the need for ongoing monitoring and treatment of patients with CABG, as they are at risk for recurrent angina and other complications. Quality measures may focus on the management of angina and the effectiveness of interventions to improve patient outcomes. Epidemiologically, the prevalence of atherosclerosis in patients with prior CABG highlights the importance of preventive strategies and regular follow-up.

ICD-9 vs ICD-10

The clinical significance of I25.701 lies in its association with increased morbidity and potential for acute cardiovascular events. Understanding this condition is crucial for managing patient care effectively. Population health impact includes the need for ongoing monitoring and treatment of patients with CABG, as they are at risk for recurrent angina and other complications. Quality measures may focus on the management of angina and the effectiveness of interventions to improve patient outcomes. Epidemiologically, the prevalence of atherosclerosis in patients with prior CABG highlights the importance of preventive strategies and regular follow-up.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the medical necessity for procedures related to this condition is well-documented. Common denials may arise from insufficient detail in the documentation or failure to link the diagnosis to the services provided. Coding best practices involve using the most specific code available and ensuring that all relevant clinical information is included in the patient's medical record.

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 I25.701?

I25.701 covers atherosclerosis affecting coronary artery bypass grafts, specifically when the patient experiences angina pectoris with documented spasm. This includes patients who have undergone CABG and now present with symptoms indicative of ischemia due to graft-related issues.

When should I25.701 be used instead of related codes?

I25.701 should be used when there is a clear diagnosis of atherosclerosis affecting CABG with associated angina and documented spasm. It is distinct from codes that describe stable angina or other forms of coronary artery disease without spasm.

What documentation supports I25.701?

Documentation must include a detailed patient history, evidence of atherosclerosis affecting the grafts, and clinical notes indicating episodes of angina with spasm. Diagnostic tests confirming the condition should also be included.