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ICD-10-CM Current in FY 2027

G40.5

Epileptic seizures related to external causes

Release
FY 2027
Effective

Hierarchy

Where G40.5 sits in the official hierarchy. Each level is the code it is classified under.

  1. G40 Parent Epilepsy and recurrent seizures
  2. G40.5 This code Epileptic seizures related to external causes

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

Epileptic seizures related to alcohol

Inclusion Terms

Epileptic seizures related to drugs

Inclusion Terms

Epileptic seizures related to hormonal changes

Inclusion Terms

Epileptic seizures related to sleep deprivation

Inclusion Terms

Epileptic seizures related to stress

Excludes1

conversion disorder with seizures ( F44.5 )

Inherited from G40 — Epilepsy and recurrent seizures

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

Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Code Also

, if applicable, associated epilepsy and recurrent seizures ( G40 .-)

More Specific Codes

1 code under G40.5

Version History

How G40.5 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Epileptic seizures related to external causes

  2. FY 2026 Effective

    Unchanged

    Epileptic seizures related to external causes

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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