G40.842
BillableKCNQ2-related epilepsy, not intractable, without status epilepticus
G40.842 is the ICD-10-CM code for KCNQ2-related epilepsy, not intractable, without status epilepticus. It is a billable, specific code valid for reimbursement.
G00-G99 Diseases of the nervous system
Includes
- •KCNQ2-related epilepsy NOS
Medications indicated for this condition
FDA labeling- ValproateAnti-epileptic Agent [EPC]›
- Levetiracetam›
- TopiramateCytochrome P450 3A4 Inducers [MoA]›
- CarbamazepineMood Stabilizer [EPC]›
- LamotrigineAnti-epileptic Agent [EPC]›
- VigabatrinAnti-epileptic Agent [EPC]›
- AcetazolamideCarbonic Anhydrase Inhibitor [EPC]›
- fluorodeoxyglucose F18Radioactive Diagnostic Agent [EPC]›
- Lacosamide›
- OxcarbazepineAnti-epileptic Agent [EPC]›
- PhenytoinAnti-epileptic Agent [EPC]›
- Pregabalin›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Benefits & assistance programs
Federal & state- Adult Day Care Services›
- Adult Day Health›
- Adult Protective Services (APS)›
- Adult Protective Services (APS)›
- Adult Protective Services (APS)›
- Adult Services (AS)›
- Assistive Technology Act Programs›
- Attendant Care Program›
- Attendant Services Program›
- Disability Rent Increase Exemption (DRIE)›
- Disability Rights Ohio›
- Douglas County Government Senior Citizen Tax Workoff Program - Colorado›
Assistance programs whose eligibility maps to this condition's category. Informational only — eligibility is determined by the administering agency.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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