G40.81
Lennox-Gastaut syndrome
- Release
- FY 2027
- Effective
Hierarchy
Where G40.81 sits in the official hierarchy. Each level is the code it is classified under.
- G40 Epilepsy and recurrent seizures
- G40.8 Parent Other epilepsy and recurrent seizures
- G40.81 This code Lennox-Gastaut syndrome
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.
More Specific Codes
4 codes under G40.81
- G40.811 Lennox-Gastaut syndrome, not intractable, with status epilepticus Billable
- G40.812 Lennox-Gastaut syndrome, not intractable, without status epilepticus Billable
- G40.813 Lennox-Gastaut syndrome, intractable, with status epilepticus Billable
- G40.814 Lennox-Gastaut syndrome, intractable, without status epilepticus Billable
Version History
How G40.81 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentLennox-Gastaut syndrome
-
FY 2026 Effective
UnchangedLennox-Gastaut syndrome
Related Codes
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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