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Home/Diagnosis/ICD-10 Coding for Focal Epilepsy

ICD-10 Coding for Focal Epilepsy

G40.1xx
G40.2xx

Complete ICD-10-CM coding and documentation guide for icd-10 coding for focal epilepsy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Partial Epilepsy
Focal Seizures
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Key Information: ICD-10 Coding for Focal Epilepsy

Essential facts and insights about ICD-10 Coding for Focal Epilepsy

Use ICD-10 code G40.1xx for focal symptomatic epilepsy with simple partial seizures, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Focal symptomatic epilepsy with simple partial seizures

Non-Billable
G40.1xx
Non-Billable

Diagnostic Criteria

  • • Presence of simple partial seizures with retained awareness

Applicable To

  • • Simple partial seizures

Important Notes

  • • Ensure documentation specifies simple partial seizures with retained awareness.

Focal symptomatic epilepsy with complex partial seizures

Non-Billable
G40.2xx
Non-Billable

Applicable To

  • • Complex partial seizures

Important Notes

  • • Document impaired awareness and any automatisms observed during seizures.
Ancillary Codes

Additional codes that may be used with this diagnosis

R56.9

Unspecified convulsions

Use when seizure type cannot be classified after workup.

Z82.49

Family history of epilepsy

Use to indicate a genetic etiology.

Frequently Asked Questions

What is the ICD-10 code for focal epilepsy?

The ICD-10 code for focal epilepsy with simple partial seizures is G40.1xx, and for complex partial seizures, it is G40.2xx.

How do you code intractable focal epilepsy?

Intractable focal epilepsy is coded as G40.21x, indicating failure of two or more AEDs at therapeutic doses.

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