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ICD-10-CM Current in FY 2027

G40.0

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

Release
FY 2027
Effective

Hierarchy

Where G40.0 sits in the official hierarchy. Each level is the code it is classified under.

  1. G40 Parent Epilepsy and recurrent seizures
  2. G40.0 This code Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Benign childhood epilepsy with centrotemporal EEG spikes

Inclusion Terms

Childhood epilepsy with occipital EEG paroxysms

Excludes1

conversion disorder with seizures ( F44.5 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes1

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

Excludes1

convulsions NOS ( R56.9 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes1

post traumatic seizures ( R56.1 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes1

seizure (convulsive) NOS ( R56.9 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes1

seizure of newborn ( P90 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes2

hippocampal sclerosis ( G93.81 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes2

mesial temporal sclerosis ( G93.81 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes2

temporal sclerosis ( G93.81 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes2

Todd's paralysis ( G83.84 )

Inherited from G40 — Epilepsy and recurrent seizures

More Specific Codes

2 codes under G40.0

Version History

How G40.0 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

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

  2. FY 2026 Effective

    Unchanged

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

Other codes under G40

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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