10ICD Code Hub

G40.843

Billable code

KCNQ2-related epilepsy, intractable, with status epilepticus

The ICD-10 code for kcnq2-related epilepsy, intractable, with status epilepticus is G40.843.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

G40.843 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.