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ICD-10 Coding for Hemiplegic Migraine(G43.401, G40.909, G43.4)

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Explore detailed ICD-10 coding and documentation guidelines for hemiplegic migraine, including code ranges, clinical validation, and common pitfalls.

Also known as:
Familial Hemiplegic MigraineSporadic Hemiplegic Migraine
Related ICD-10 Code Ranges

Complete code families applicable to Hemiplegic Migraine

G00-G99Primary Range

Diseases of the nervous system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
G43.401Hemiplegic migraine, not intractable, without status migrainosus
G43.411Hemiplegic migraine, intractable, with status migrainosus
Primary ICD-10-CM Codes
Hemiplegic migraine, not intractable, with status migrainosus
G43.401Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Acute ischemic strokeI63.9
Epilepsy, unspecifiedG40.909

Documentation & Coding Risks

Avoid these common issues when documenting Hemiplegic Migraine.

Omitting aura details in documentation

Impact

Clinical: Leads to misdiagnosis or incorrect treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials or reduced reimbursement.

Mitigation

Use structured templates, Regular training on documentation standards

Coding G43.4- without documenting motor weakness

Impact

Reimbursement: May lead to denied claims due to insufficient documentation., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data representation of patient condition.

Mitigation

Ensure documentation includes specific motor weakness details.

Documentation of motor weakness

Impact

Inadequate documentation of motor weakness can lead to audit issues.

Mitigation

Implement detailed templates and regular audits.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with G43.401.