ICD-10-CM Alphabetic Index · FY 2026 7 Entries
Lennox-Gastaut syndrome in the ICD-10-CM Index ICD-10-CM
The main term Lennox-Gastaut syndrome carries 7 index entries pointing to 4 ICD-10-CM codes. The default entry is G40.812, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
7
Index Entries
4
Codes Referenced
G40.812
Default Code
L
Letter
7 of 7 shown
ICD-10-CM
Index Entries Under Lennox-Gastaut syndrome 7 entries · 4 codes
Lennox-Gastaut syndrome G40.812
intractable G40.814
with status epilepticus G40.813
without status epilepticus G40.814
not intractable G40.812
with status epilepticus G40.811
without status epilepticus G40.812
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
