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ICD-10 Coding for History of Epilepsy(Z86.79)

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

Also known as:

Epileptic HistoryPast Epilepsy Episodes

Related ICD-10 Code Ranges

Complete code families applicable to History of Epilepsy

G40-G47Primary Range

Epilepsy and recurrent seizures

This range includes all epilepsy-related conditions, including history and active epilepsy.

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

Used for documenting a resolved condition of epilepsy.

Key Information: ICD-10 code for history of epilepsy

Essential facts and insights about History of Epilepsy

The ICD-10 code for a history of epilepsy is Z86.79, used when the patient has no current seizures or treatment.

Primary ICD-10-CM Code for history of epilepsy

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

Decision Criteria

clinical Criteria

  • Patient has no seizures and is not on antiepileptic medication.

Applicable To

  • History of epilepsy

Excludes

  • Current epilepsy (G40.-)

Clinical Validation Requirements

  • Documented history of epilepsy with no current seizures
  • No current antiepileptic drug therapy

Code-Specific Risks

  • Misclassification if current epilepsy is present

Coding Notes

  • Ensure that the patient's epilepsy is resolved and not currently being treated.

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 G40.909 if the patient is currently experiencing seizures.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Epilepsy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.79.

Impact

Clinical: Misrepresents patient's current health status, Regulatory: Non-compliance with coding guidelines, Financial: Potential for incorrect billing and reimbursement

Mitigation Strategy

Review current clinical status, Confirm absence of seizures and treatment

Impact

Reimbursement: Incorrect coding can lead to claim denials., Compliance: Misclassification affects compliance with coding standards., Data Quality: Impacts the accuracy of patient medical records.

Mitigation Strategy

Verify current seizure activity and treatment status before coding.

Impact

Risk of coding resolved epilepsy as active or vice versa

Mitigation Strategy

Implement thorough documentation review processes

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 Epilepsy, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Epilepsy

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

Resolved Epilepsy Documentation

Specialty: Neurology

Required Elements

  • Patient history of epilepsy
  • Current seizure status
  • Current medication status

Example Documentation

Patient has a history of epilepsy but has been seizure-free for 5 years and is not on any antiepileptic medications.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient had epilepsy.
Good Documentation Example
Patient has a history of epilepsy, seizure-free for 5 years, not on antiepileptic drugs.
Explanation
The good example provides specific details about the patient's current status and history.

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

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