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ICD-10 Coding for History of Seizure Disorder(Z86.69, G40.909)

Complete ICD-10-CM coding and documentation guide for History of Seizure Disorder. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Seizure HistoryResolved Seizure Disorder

Related ICD-10 Code Ranges

Complete code families applicable to History of Seizure Disorder

Z86.69Primary Range

Personal history of other diseases of the nervous system and sense organs

Used for documenting resolved seizure disorders with no current treatment.

Epilepsy and recurrent seizures

Used for active seizure disorders and epilepsy.

Convulsions, not elsewhere classified

Used for acute seizure events not classified under epilepsy.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z86.69Personal history of other diseases of the nervous system and sense organsUse when the patient has a history of seizures but is no longer experiencing them and is not on treatment.
  • Documented seizure-free period of at least 5 years
  • No current antiepileptic drug therapy
G40.909Epilepsy, unspecified, not intractable, without status epilepticusUse for patients with active epilepsy, even if seizures are controlled.
  • Current antiepileptic drug therapy
  • Recent seizure activity documented

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for history of seizure disorder

Essential facts and insights about History of Seizure Disorder

The ICD-10 code for a history of seizure disorder is Z86.69, used when the condition is resolved and no longer requires treatment.

Primary ICD-10-CM Codes for history of seizure disorder

Personal history of other diseases of the nervous system and sense organs
Billable Code

Decision Criteria

clinical Criteria

  • Patient has been seizure-free for over 5 years without medication.

documentation Criteria

  • Provider notes explicitly state 'history of seizures' with no current treatment.

Applicable To

  • History of resolved seizure disorder

Excludes

  • Active epilepsy (G40.-)

Clinical Validation Requirements

  • Documented seizure-free period of at least 5 years
  • No current antiepileptic drug therapy

Code-Specific Risks

  • Incorrectly coding active epilepsy as history

Coding Notes

  • Ensure documentation clearly states the condition is resolved and no treatment is ongoing.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Epilepsy, unspecified, not intractable, without status epilepticus

G40.909
Use for active epilepsy cases, even if controlled by medication.

Personal history of other diseases of the nervous system and sense organs

Z86.69
Use for resolved seizure disorders with no current treatment.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Seizure Disorder to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.69.

Impact

Clinical: Misrepresentation of patient's current health status., Regulatory: Potential audit issues., Financial: Incorrect coding may affect reimbursement.

Mitigation Strategy

Always include last seizure date in notes., Verify medication status.

Impact

Reimbursement: May lead to incorrect billing and reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and data reporting.

Mitigation Strategy

Verify current treatment status and seizure activity before coding.

Impact

Using Z86.69 for patients still on seizure medication.

Mitigation Strategy

Regularly review medication lists and seizure history.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for History of Seizure Disorder, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Seizure Disorder

Use these documentation templates to ensure complete and accurate documentation for History of Seizure Disorder. These templates include all required elements for proper coding and billing.

Resolved Seizure Disorder Documentation

Specialty: Neurology

Required Elements

  • Seizure-free duration
  • Medication history
  • Current neurological status

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has a history of seizures.
Good Documentation Example
Patient has a history of seizures, last episode in 2015, currently seizure-free and off medication.
Explanation
The good example provides specific details about the last seizure and current status.

Need help with ICD-10 coding for History of Seizure Disorder? Ask your questions below.

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