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ICD-10-CM Current in FY 2027

G40.009

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where G40.009 sits in the official hierarchy. Each level is the code it is classified under.

  1. G40 Epilepsy and recurrent seizures
  2. G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
  3. G40.00 Parent Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
  4. G40.009 This code Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus

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

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

Excludes1

conversion disorder with seizures ( F44.5 )

Inherited from G40 — Epilepsy and recurrent seizures

Excludes1

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

Inherited from G40.0 — Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset

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

Version History

How G40.009 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, not intractable, without status epilepticus

  2. FY 2026 Effective

    Unchanged

    Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus

Related Codes

Other codes under G40.00

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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