G40.01

Non-billable (Header)

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Excludes1

inherited from G40.0

Rules from parent category G40.0: Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset

  • adult onset localization-related epilepsy (G40.1-, G40.2-)

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Code Information

CodeG40.01
BillableNo — Header code
ParentG40.0
CategoryDiseases of the nervous system (G00-G99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)