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ICD-10 Guide
ICD-10 CodesI25.722

I25.722

Billable

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

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

Code Description

ICD-10 I25.722 is a billable code used to indicate a diagnosis of atherosclerosis of autologous artery coronary artery bypass graft(s) with refractory angina pectoris.

Key Diagnostic Point:

I25.722 refers to atherosclerosis of autologous artery coronary artery bypass graft(s) with refractory angina pectoris. This condition arises when there is a buildup of plaque in the grafts used to bypass blocked coronary arteries, leading to reduced blood flow to the heart muscle. Patients typically present with symptoms of angina pectoris, which may be stable or unstable, but in this case, it is classified as refractory, indicating that the angina is persistent and not adequately controlled by standard medical therapies. The anatomy involved includes the coronary arteries and the grafts, which may be composed of the patient's own arteries or veins. Disease progression can lead to further ischemic heart disease, 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 graft disease and the extent of coronary artery involvement.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires comprehensive evaluation of symptoms and imaging studies.
  • Treatment complexity: May involve advanced management strategies including revascularization procedures.
  • Documentation requirements: Detailed documentation of refractory angina and graft status is essential.
  • Coding specificity: Requires precise coding to differentiate from other forms of angina and atherosclerosis.

Audit Risk Factors

  • Common coding errors: Misclassification of angina type or failure to document graft status.
  • Documentation gaps: Incomplete records regarding patient symptoms and treatment responses.
  • Billing challenges: Potential for denials if documentation does not clearly support the diagnosis of refractory angina.

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 I25.722 lies in its association with increased morbidity and mortality due to the risk of myocardial infarction and heart failure. The population health impact is substantial, as patients with refractory angina often require more intensive healthcare resources, including hospitalizations and advanced interventions. Quality measures may focus on the management of angina symptoms and the effectiveness of treatment strategies, while epidemiological considerations highlight the prevalence of coronary artery disease and its complications in the aging population.

ICD-9 vs ICD-10

The clinical significance of I25.722 lies in its association with increased morbidity and mortality due to the risk of myocardial infarction and heart failure. The population health impact is substantial, as patients with refractory angina often require more intensive healthcare resources, including hospitalizations and advanced interventions. Quality measures may focus on the management of angina symptoms and the effectiveness of treatment strategies, while epidemiological considerations highlight the prevalence of coronary artery disease and its complications in the aging population.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the medical necessity for procedures and treatments is well-documented. Common denials may arise from insufficient evidence of refractory symptoms or lack of clarity in the treatment plan. Coding best practices involve using the most specific codes available and ensuring that all documentation aligns with the services billed to avoid audits and denials.

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 I25.722?

I25.722 covers patients with atherosclerosis affecting their autologous artery bypass grafts, specifically those experiencing refractory angina pectoris, which is characterized by persistent chest pain that is not relieved by standard treatments.

When should I25.722 be used instead of related codes?

I25.722 should be used when the patient has documented refractory angina pectoris associated with atherosclerosis of their bypass grafts, distinguishing it from cases of stable angina or those without graft involvement.

What documentation supports I25.722?

Documentation should include a detailed history of angina symptoms, results from diagnostic tests such as angiography, and evidence of treatment attempts that have failed to alleviate the angina, confirming its refractory nature.