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ICD-10 Guide
ICD-10 CodesI63.342

I63.342

Billable

Cerebral infarction due to thrombosis of left cerebellar artery

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

Code Description

ICD-10 I63.342 is a billable code used to indicate a diagnosis of cerebral infarction due to thrombosis of left cerebellar artery.

Key Diagnostic Point:

Cerebral infarction due to thrombosis of the left cerebellar artery is a type of ischemic stroke characterized by the obstruction of blood flow to the left cerebellar region, leading to tissue death. Clinically, patients may present with symptoms such as dizziness, ataxia, nausea, vomiting, and coordination difficulties due to the cerebellum's role in motor control and balance. The left cerebellar artery supplies blood to the left side of the cerebellum, and thrombosis can occur due to various factors, including atherosclerosis, embolism, or hypercoagulable states. Disease progression may vary; some patients may experience rapid onset of symptoms, while others may have a more gradual presentation. Diagnostic considerations include neuroimaging techniques such as CT or MRI to confirm the presence of an infarct and to rule out hemorrhagic stroke. Early recognition and intervention are crucial for improving outcomes and minimizing long-term disability.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical assessment to confirm diagnosis.
  • Treatment complexity: May involve anticoagulation, rehabilitation, and management of risk factors.
  • Documentation requirements: Detailed clinical notes and imaging reports are essential.
  • Coding specificity: Requires precise coding to differentiate from other types of strokes.

Audit Risk Factors

  • Common coding errors: Misidentification of the side of the infarction.
  • Documentation gaps: Incomplete clinical notes regarding symptoms and imaging findings.
  • Billing challenges: Potential denials due to lack of supporting documentation for the diagnosis.

Specialty Focus

Medical Specialties

Neurology

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

Emergency Medicine

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

Cerebral infarctions, including those due to thrombosis of the left cerebellar artery, significantly impact population health, leading to increased morbidity and mortality rates. The quality of care for stroke patients is often measured by timely intervention and rehabilitation services, which can affect healthcare utilization patterns. Understanding the epidemiology of stroke, including risk factors and outcomes, is crucial for improving public health strategies and resource allocation.

ICD-9 vs ICD-10

Cerebral infarctions, including those due to thrombosis of the left cerebellar artery, significantly impact population health, leading to increased morbidity and mortality rates. The quality of care for stroke patients is often measured by timely intervention and rehabilitation services, which can affect healthcare utilization patterns. Understanding the epidemiology of stroke, including risk factors and outcomes, is crucial for improving public health strategies and resource allocation.

Reimbursement & Billing Impact

Reimbursement considerations include the need for clear evidence of the diagnosis and the medical necessity of any procedures performed. Common denials may arise from insufficient documentation or failure to demonstrate the medical necessity of the services provided. Best practices include maintaining comprehensive records and ensuring that all coding aligns with the clinical documentation.

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 I63.342?

I63.342 specifically covers cerebral infarction due to thrombosis of the left cerebellar artery. This includes ischemic strokes resulting from thrombosis that leads to tissue necrosis in the left cerebellar region.

When should I63.342 be used instead of related codes?

I63.342 should be used when the infarction is specifically due to thrombosis of the left cerebellar artery. It is important to differentiate it from other codes that may refer to infarctions in different locations or due to different etiologies.

What documentation supports I63.342?

Documentation should include clinical findings, imaging results confirming the infarction, and any relevant history of risk factors such as hypertension, diabetes, or prior strokes. Detailed notes on the patient's presenting symptoms and response to treatment are also essential.