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ICD-10 Coding for Tonic-Clonic Seizure(G40.4, F10.231, G40.5)

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Learn about the ICD-10 coding for tonic-clonic seizures, including documentation requirements and common coding pitfalls. Ensure accurate and compliant medical records.

Also known as:
Grand Mal SeizureGeneralized Tonic-Clonic Seizureclonic tonic seizure
Related ICD-10 Code Ranges

Complete code families applicable to Tonic-Clonic Seizure

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
G40.4Other generalized epilepsy and epileptic syndromes
G40.5Epileptic seizures related to external causes
Primary ICD-10-CM Codes
Other generalized epilepsy and epileptic syndromes
G40.4
Differential Codes

Alternative codes to consider when ruling out similar conditions

Unspecified convulsionsR56.9
Alcohol withdrawal with seizuresF10.231

Documentation & Coding Risks

Avoid these common issues when documenting Tonic-Clonic Seizure.

Documenting 'seizure disorder' without specifying type

Impact

Clinical: Leads to inappropriate treatment plans., Regulatory: Fails to meet documentation standards., Financial: May result in claim denials.

Mitigation

Educate providers on the importance of specifying seizure types.

Using G40.909 for single seizure events

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate patient records and statistics.

Mitigation

Use R56.9 for single seizures without epilepsy diagnosis.

Seizure Type Documentation

Impact

Inadequate documentation of seizure type can lead to audit issues.

Mitigation

Implement standardized templates for seizure documentation.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with G40.4.