G40.84
KCNQ2-related epilepsy
- Release
- FY 2027
- Effective
Hierarchy
Where G40.84 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
- G40.84 This code KCNQ2-related epilepsy
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 G40.84
- G40.841 KCNQ2-related epilepsy, not intractable, with status epilepticus Billable
- G40.842 KCNQ2-related epilepsy, not intractable, without status epilepticus Billable
- G40.843 KCNQ2-related epilepsy, intractable, with status epilepticus Billable
- G40.844 KCNQ2-related epilepsy, intractable, without status epilepticus Billable
Version History
How G40.84 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentKCNQ2-related epilepsy
-
FY 2026 Effective
UnchangedKCNQ2-related epilepsy
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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