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ICD-10 Guide
ICD-10 CodesI63.32

I63.32

Non-billable

Cerebral infarction due to thrombosis of anterior cerebral artery

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

Code Description

ICD-10 I63.32 is a used to indicate a diagnosis of cerebral infarction due to thrombosis of anterior cerebral artery.

Key Diagnostic Point:

Cerebral infarction due to thrombosis of the anterior cerebral artery (ACA) occurs when a blood clot obstructs blood flow to the ACA, leading to ischemia and subsequent brain tissue death. Clinically, patients may present with unilateral weakness, sensory loss, and cognitive deficits, particularly affecting the lower extremities and frontal lobe functions. The anterior cerebral artery supplies blood to the medial portions of the frontal lobes and the superior medial parietal lobes. Disease progression can vary; some patients may experience rapid deterioration, while others may have a more gradual onset of symptoms. Diagnostic considerations include neuroimaging studies such as CT or MRI to confirm the presence of an infarct and assess the extent of brain damage. Risk factors for ACA thrombosis include hypertension, diabetes, hyperlipidemia, and atrial fibrillation, which contribute to the development of atherosclerosis and thrombus formation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical correlation.
  • 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 identification of the infarction's location and cause.

Audit Risk Factors

  • Common coding errors: Misidentification of the type of infarction.
  • Documentation gaps: Incomplete clinical notes or missing imaging reports.
  • Billing challenges: Denials due to insufficient evidence of medical necessity.

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

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

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

Cerebral infarction due to thrombosis of the anterior cerebral artery significantly impacts population health, contributing to morbidity and mortality associated with stroke. Effective management and timely intervention can improve patient outcomes and reduce healthcare utilization. Quality measures focus on timely diagnosis, appropriate treatment, and rehabilitation, which are critical for enhancing recovery and minimizing long-term disability. Epidemiologically, this condition underscores the importance of addressing risk factors such as hypertension and diabetes in the population.

ICD-9 vs ICD-10

Cerebral infarction due to thrombosis of the anterior cerebral artery significantly impacts population health, contributing to morbidity and mortality associated with stroke. Effective management and timely intervention can improve patient outcomes and reduce healthcare utilization. Quality measures focus on timely diagnosis, appropriate treatment, and rehabilitation, which are critical for enhancing recovery and minimizing long-term disability. Epidemiologically, this condition underscores the importance of addressing risk factors such as hypertension and diabetes in the population.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is clearly linked to the services provided. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity. Best practices include maintaining thorough clinical notes, ensuring that imaging results are included in the patient's record, and using appropriate CPT codes that correspond to the services rendered.

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 I63.32?

I63.32 specifically covers cerebral infarctions resulting from thrombosis in the anterior cerebral artery. This includes ischemic strokes where the ACA is occluded, leading to neurological deficits primarily affecting the lower extremities and cognitive functions associated with the frontal lobe.

When should I63.32 be used instead of related codes?

I63.32 should be used when the cerebral infarction is specifically due to thrombosis of the anterior cerebral artery. It is important to differentiate it from other codes like I63.31, which pertains to embolic strokes, and I63.30, which is for unspecified cerebral infarction.

What documentation supports I63.32?

Documentation for I63.32 should include detailed clinical notes outlining the patient's symptoms, results of neuroimaging studies confirming the infarction, and any relevant laboratory tests indicating risk factors for thrombosis.