ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesI63.543

I63.543

Billable

Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries

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

Code Description

ICD-10 I63.543 is a billable code used to indicate a diagnosis of cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries.

Key Diagnostic Point:

Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries refers to a condition where blood flow to the cerebellum is obstructed, leading to tissue death (infarction) in this critical area of the brain responsible for coordination and balance. The cerebellar arteries, which supply blood to the cerebellum, may become occluded or narrowed due to various factors, including atherosclerosis, embolism, or thrombosis. Clinical presentation often includes symptoms such as dizziness, ataxia, nausea, and coordination difficulties. The progression of the disease can vary; some patients may experience acute symptoms, while others may have a more gradual onset. Diagnostic considerations involve neuroimaging techniques such as MRI or CT scans to visualize the affected areas and assess the extent of the infarction. Additionally, a thorough evaluation of risk factors, including hypertension, diabetes, and hyperlipidemia, is essential for comprehensive management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical correlation
  • Treatment complexity: May involve multidisciplinary approaches including neurology and rehabilitation
  • Documentation requirements: Detailed clinical notes and imaging reports are necessary
  • Coding specificity: Requires precise identification of the occlusion or stenosis

Audit Risk Factors

  • Common coding errors: Misidentification of the affected artery or occlusion type
  • Documentation gaps: Incomplete clinical notes or missing imaging reports
  • Billing challenges: Potential denials due to lack of specificity in documentation

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

The clinical significance of I63.543 lies in its potential to lead to severe neurological deficits and impact patient quality of life. Understanding the epidemiology of cerebral infarctions, particularly in populations with high risk factors, can inform public health strategies. Quality measures may include timely diagnosis and intervention, which are critical for improving outcomes and reducing healthcare utilization associated with complications from untreated cerebral infarctions.

ICD-9 vs ICD-10

The clinical significance of I63.543 lies in its potential to lead to severe neurological deficits and impact patient quality of life. Understanding the epidemiology of cerebral infarctions, particularly in populations with high risk factors, can inform public health strategies. Quality measures may include timely diagnosis and intervention, which are critical for improving outcomes and reducing healthcare utilization associated with complications from untreated cerebral infarctions.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the medical necessity for imaging and treatment is clearly documented. Common denials may arise from insufficient documentation or lack of specificity in the diagnosis. Best practices include thorough clinical notes, clear imaging reports, and adherence to payer-specific guidelines to minimize billing challenges.

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 I63.543?

I63.543 covers cerebral infarctions resulting from unspecified occlusion or stenosis of bilateral cerebellar arteries, which may arise from various etiologies such as embolic events or chronic vascular disease.

When should I63.543 be used instead of related codes?

I63.543 should be used when the occlusion or stenosis of the cerebellar arteries is not specified, differentiating it from codes that specify a particular artery or occlusion type.

What documentation supports I63.543?

Documentation should include detailed clinical assessments, imaging results confirming the infarction, and notes on the patient's risk factors and symptoms to support the diagnosis.