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G40.A0

Non-billable

Absence epileptic syndrome, not intractable

G40.A0 is the ICD-10-CM code for Absence epileptic syndrome, not intractable. It is a non-billable category code — use a more specific child code such as G40.A01 for billing.

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

G00-G99 Diseases of the nervous system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G40.A0?
G40.A0 is the ICD-10-CM code for "Absence epileptic syndrome, not intractable". It falls under G00-G99 Diseases of the nervous system.
Is G40.A0 a billable code?
No — G40.A0 is a non-billable header code. Use a more specific child code (such as G40.A01) for billing.
What are the subcodes of G40.A0?
G40.A0 has 2 more specific child codes, including G40.A01, G40.A09.

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

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