G40.401 Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus
The ICD-10-CM code for Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus is G40.401 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G40-G47: Episodic and paroxysmal disorders (G40-G47)
- Category G40
- 94 codes (58 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G40.401:
- Myoclonus, myoclonic, myoclonia (familial) (essential) (multifocal) (simplex) › epileptica › with status epilepticus
- Seizure (s) › grand mal › not intractable › with status epilepticus
- Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) › generalized › specified NEC › not intractable › with status epilepticus
- Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure) › syndromes › generalized › specified NEC › not intractable › with status epilepticus
U.S. Hospital Utilization
- An estimated 8,395 U.S. inpatient stays in 2023 included G40.401 among the documented diagnoses.
- 5,425 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Dominant/nondominant side (TOC entry)a. Dominant/nondominant side ................................................................................................. 45
Pain - Category G89 (TOC entry)b. Pain - Category G89.............................................................................................................. 45
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026