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ICD-10 Guide
ICD-10 CodesI77.1

I77.1

Billable

Stricture of artery

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

Code Description

ICD-10 I77.1 is a billable code used to indicate a diagnosis of stricture of artery.

Key Diagnostic Point:

Stricture of artery refers to the narrowing of an artery, which can significantly impede blood flow and lead to various cardiovascular complications. This condition can occur in any artery but is most commonly seen in the coronary arteries, carotid arteries, and peripheral arteries. Clinical presentation may include symptoms such as angina, claudication, or even acute limb ischemia, depending on the affected artery. The anatomy involved typically includes the arterial wall, where plaque buildup (atherosclerosis) or other pathological changes can lead to stenosis. Disease progression can vary; some patients may remain asymptomatic for years, while others may experience rapid deterioration, leading to severe cardiovascular events. Diagnostic considerations include imaging studies such as angiography, Doppler ultrasound, or CT angiography, which can help visualize the extent of the stricture and guide treatment decisions. Early detection and management are crucial to prevent complications such as myocardial infarction or stroke.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical correlation to confirm diagnosis.
  • Treatment complexity: May involve medical management, angioplasty, or surgical intervention.
  • Documentation requirements: Detailed clinical notes and imaging results are essential.
  • Coding specificity: Requires precise documentation to differentiate from other vascular conditions.

Audit Risk Factors

  • Common coding errors: Misclassification with other vascular codes.
  • Documentation gaps: Incomplete clinical notes or lack of imaging results.
  • Billing challenges: Denials due to insufficient documentation or incorrect code selection.

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

Vascular 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 I77.1 lies in its potential to lead to serious cardiovascular events if left untreated. Population health impact includes increased healthcare utilization due to complications such as myocardial infarction or stroke. Quality measures may focus on timely diagnosis and intervention for patients with arterial strictures. Epidemiologically, the prevalence of arterial strictures is rising with aging populations and increasing rates of cardiovascular disease, highlighting the need for effective management strategies.

ICD-9 vs ICD-10

The clinical significance of I77.1 lies in its potential to lead to serious cardiovascular events if left untreated. Population health impact includes increased healthcare utilization due to complications such as myocardial infarction or stroke. Quality measures may focus on timely diagnosis and intervention for patients with arterial strictures. Epidemiologically, the prevalence of arterial strictures is rising with aging populations and increasing rates of cardiovascular disease, highlighting the need for effective management strategies.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the complexity of the treatment provided. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for procedures related to the stricture. Coders should ensure that all relevant clinical notes, imaging studies, and treatment plans are included in the patient's medical record to support claims. Best practices include using precise coding and maintaining thorough documentation 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 I77.1?

I77.1 covers arterial strictures due to various etiologies, including atherosclerosis, trauma, or congenital anomalies. It is essential to document the specific artery involved and any associated symptoms.

When should I77.1 be used instead of related codes?

I77.1 should be used when there is a documented stricture of an artery that is causing clinical symptoms or is identified through imaging. It is distinct from codes for complete occlusions or other vascular disorders.

What documentation supports I77.1?

Documentation should include clinical findings, imaging results confirming the stricture, and any relevant history or symptoms. Detailed notes on the patient's condition and treatment plan are also necessary.