10ICD Code Hub

G40.83

Header — not billable

Dravet syndrome

The ICD-10 code for dravet syndrome is G40.83.

G40.83 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Polymorphic epilepsy in infancy (PMEI)
  • Severe myoclonic epilepsy in infancy (SMEI)

Documentation support

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

Child codes under G40.83

Related codes in this category