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ICD-10 Guide
ICD-10 CodesI25.758

I25.758

Billable

Atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris

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

Code Description

ICD-10 I25.758 is a billable code used to indicate a diagnosis of atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris.

Key Diagnostic Point:

I25.758 refers to atherosclerosis of the native coronary artery of a transplanted heart, accompanied by other forms of angina pectoris. This condition arises when the transplanted heart's native coronary arteries develop atherosclerosis, leading to reduced blood flow and oxygen to the heart muscle. Clinically, patients may present with symptoms of angina, which can manifest as chest pain, discomfort, or pressure, particularly during physical exertion or stress. The anatomy involved includes the coronary arteries that supply blood to the heart muscle, which can become narrowed or blocked due to plaque buildup. Disease progression can vary, with some patients experiencing stable angina, while others may develop unstable angina or even myocardial infarction. Diagnostic considerations include a thorough patient history, physical examination, and imaging studies such as coronary angiography or stress testing to assess the severity of coronary artery disease. Early identification and management are crucial to prevent serious complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires understanding of post-transplant complications and cardiovascular pathology.
  • Treatment complexity: Involves multidisciplinary management including cardiology and transplant specialists.
  • 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: Misclassification of angina types or failure to document the transplant status.
  • Documentation gaps: Incomplete records regarding the patient's history of heart transplant and current symptoms.
  • Billing challenges: Potential denials if the relationship between the transplant and coronary artery disease 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

Transplant 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 I25.758 lies in its association with increased morbidity and potential mortality in heart transplant recipients. Atherosclerosis in transplanted hearts can lead to significant complications, affecting population health by increasing healthcare utilization due to hospitalizations for angina or myocardial infarction. Quality measures may include monitoring the incidence of coronary artery disease in transplant patients and ensuring timely interventions to improve outcomes.

ICD-9 vs ICD-10

The clinical significance of I25.758 lies in its association with increased morbidity and potential mortality in heart transplant recipients. Atherosclerosis in transplanted hearts can lead to significant complications, affecting population health by increasing healthcare utilization due to hospitalizations for angina or myocardial infarction. Quality measures may include monitoring the incidence of coronary artery disease in transplant patients and ensuring timely interventions to improve outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the medical necessity for the services provided is clearly documented. Common denials may arise from insufficient documentation linking the atherosclerosis to the transplant status or failure to demonstrate the severity of angina. Coding best practices recommend using precise codes and including all relevant clinical information to support the diagnosis and treatment 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 I25.758?

I25.758 covers atherosclerosis affecting the native coronary arteries of a transplanted heart, specifically when the patient experiences other forms of angina pectoris, which may include stable or unstable angina.

When should I25.758 be used instead of related codes?

I25.758 should be used when there is documented atherosclerosis of the native coronary artery of a transplanted heart accompanied by angina symptoms. It is important to differentiate from codes that do not specify angina or those that pertain to non-transplanted hearts.

What documentation supports I25.758?

Documentation should include a detailed patient history of heart transplant, current symptoms of angina, results from diagnostic tests (e.g., angiography), and treatment plans that address the atherosclerosis and angina management.