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G40.83

Non-billable

Dravet syndrome

G40.83 is the ICD-10-CM code for Dravet syndrome. It is a non-billable category code — use a more specific child code such as G40.833 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G40.8
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

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

Frequently asked questions

What is ICD-10 code G40.83?
G40.83 is the ICD-10-CM code for "Dravet syndrome". It falls under G00-G99 Diseases of the nervous system.
Is G40.83 a billable code?
No — G40.83 is a non-billable header code. Use a more specific child code (such as G40.833) for billing.
What are the subcodes of G40.83?
G40.83 has 2 more specific child codes, including G40.833, G40.834.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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