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ICD-10 Guide
ICD-10 CodesI25.751

I25.751

Billable

Atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm

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

Code Description

ICD-10 I25.751 is a billable code used to indicate a diagnosis of atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm.

Key Diagnostic Point:

I25.751 refers to atherosclerosis of the native coronary artery of a transplanted heart, accompanied by angina pectoris with documented spasm. This condition arises when the coronary arteries, which supply blood to the heart muscle, become narrowed or blocked due to the buildup of plaque, leading to reduced blood flow. In patients with a heart transplant, the native coronary arteries may still be susceptible to atherosclerosis, particularly in the context of immunosuppressive therapy that is often necessary post-transplant. The clinical presentation typically includes episodes of angina pectoris, which may manifest as chest pain or discomfort, often triggered by physical exertion or emotional stress. Documented spasm indicates that there are episodes of transient constriction of the coronary arteries, further complicating the patient's condition. Disease progression can lead to significant cardiovascular events, including myocardial infarction. Diagnostic considerations include coronary angiography, stress testing, and possibly intravascular ultrasound to assess the severity of arterial blockages and spasm. Regular monitoring and management are crucial to prevent severe complications.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough evaluation of symptoms and imaging studies.
  • Treatment complexity: Involves a multidisciplinary approach including cardiology and transplant specialists.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis.
  • Coding specificity: High specificity is required to accurately reflect the patient's condition.

Audit Risk Factors

  • Common coding errors: Misidentification of the type of angina or failure to document spasm.
  • Documentation gaps: Incomplete records regarding the patient's history and treatment plan.
  • Billing challenges: Potential denials due to insufficient evidence of the condition's severity.

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

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of I25.751 lies in its association with increased morbidity and mortality in heart transplant patients. Understanding this condition is crucial for improving population health outcomes, as it can lead to significant healthcare utilization patterns, including increased hospitalizations and interventions. Quality measures should focus on timely diagnosis and management to enhance patient outcomes and reduce the risk of severe cardiovascular events.

ICD-9 vs ICD-10

The clinical significance of I25.751 lies in its association with increased morbidity and mortality in heart transplant patients. Understanding this condition is crucial for improving population health outcomes, as it can lead to significant healthcare utilization patterns, including increased hospitalizations and interventions. Quality measures should focus on timely diagnosis and management to enhance patient outcomes and reduce the risk of severe cardiovascular events.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the documentation clearly supports the diagnosis of atherosclerosis with angina and spasm. Common denials may arise from insufficient documentation or failure to demonstrate the medical necessity of procedures performed. Best practices include thorough clinical notes, clear communication of symptoms, and adherence to coding guidelines to minimize audit risks.

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 I25.751?

I25.751 covers atherosclerosis of the native coronary artery in a transplanted heart, specifically when the patient experiences angina pectoris with documented coronary artery spasm. This includes patients who have undergone heart transplantation and are experiencing symptoms related to coronary artery disease.

When should I25.751 be used instead of related codes?

I25.751 should be used when the patient has a documented history of atherosclerosis in the native coronary artery of a transplanted heart, along with episodes of angina and confirmed coronary artery spasm. It is important to differentiate this from other codes that do not include spasm or angina.

What documentation supports I25.751?

Documentation should include a detailed clinical history, results from diagnostic tests such as angiography or stress tests, and notes on the patient's symptoms, particularly episodes of angina and any documented spasm. Comprehensive records of treatment and follow-up care are also essential.