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ICD-10 Coding for Partial Seizure(G40.209, G40.219)

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

Also known as:

Focal SeizureLocalized SeizureSimple Partial SeizureComplex Partial Seizure

Related ICD-10 Code Ranges

Complete code families applicable to Partial Seizure

G40.0-G40.9Primary Range

Epilepsy and recurrent seizures

This range includes codes for different types of epilepsy and seizures, including partial seizures.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
G40.209Complex partial seizures, not intractable, without status epilepticusUse when the patient has complex partial seizures that are not intractable and without status epilepticus.
  • EEG showing focal epileptiform discharges
  • Clinical history of complex partial seizures
G40.219Complex partial seizures, intractable, without status epilepticusUse when the patient has complex partial seizures that are intractable.
  • Documented failure of two or more antiepileptic drugs
  • EEG or clinical evidence of complex partial seizures

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 partial seizures

Essential facts and insights about Partial Seizure

The ICD-10 code for complex partial seizures, not intractable, without status epilepticus is G40.209.

Primary ICD-10-CM Codes for partial seizure

Complex partial seizures, not intractable, without status epilepticus
Billable Code

Decision Criteria

clinical Criteria

  • Patient has complex partial seizures without intractability.

Applicable To

  • Complex partial seizures without intractability

Excludes

  • Simple partial seizures

Clinical Validation Requirements

  • EEG showing focal epileptiform discharges
  • Clinical history of complex partial seizures

Code-Specific Risks

  • Misclassification if intractability is not assessed

Coding Notes

  • Ensure documentation specifies the type of partial seizure and intractability status.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Unspecified convulsions

R56.9
Use when the seizure type is not specified or confirmed.

Family history of epilepsy

Z82.49
Use to indicate a family history of epilepsy.

Differential Codes

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

Complex partial seizures, intractable, without status epilepticus

G40.219
Use when seizures are intractable, defined as not controlled with two or more antiepileptic drugs.

Complex partial seizures, not intractable, without status epilepticus

G40.209
Use when seizures are controlled with medication.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Partial Seizure to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G40.209.

Impact

Clinical: Misrepresents current clinical status, Regulatory: Potential non-compliance with coding standards, Financial: May affect reimbursement if active treatment is not documented

Mitigation Strategy

Ensure active conditions are documented as such, Regularly update patient records with current status

Impact

Reimbursement: May lead to lower reimbursement rates, Compliance: Non-compliance with coding guidelines, Data Quality: Decreased accuracy in clinical data

Mitigation Strategy

Ensure seizure type is specified in documentation and use the appropriate specific code.

Impact

Risk of coding seizures as unspecified when specific type is documented.

Mitigation Strategy

Implement regular training on seizure documentation and coding.

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

Documentation Templates for Partial Seizure

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

Intractable Focal Epilepsy

Specialty: Neurology

Required Elements

  • Seizure type and frequency
  • Intractability status
  • Medication history

Example Documentation

Patient with intractable complex partial seizures, failed two AEDs, considering VNS.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has seizures.
Good Documentation Example
Patient has intractable complex partial seizures, failed two AEDs.
Explanation
The good example specifies the type and intractability, which is necessary for accurate coding.

Need help with ICD-10 coding for Partial Seizure? Ask your questions below.

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