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G40.C

Non-billable

Lafora progressive myoclonus epilepsy

G40.C is the ICD-10-CM code for Lafora progressive myoclonus epilepsy. It is a non-billable category code — use a more specific child code such as G40.C0 for billing.

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

G00-G99 Diseases of the nervous system

Includes

  • •Lafora body disease

Notes

  • •, if applicable, associated conditions such as dementia (F02.8-)

Frequently asked questions

What is ICD-10 code G40.C?
G40.C is the ICD-10-CM code for "Lafora progressive myoclonus epilepsy". It falls under G00-G99 Diseases of the nervous system.
Is G40.C a billable code?
No — G40.C is a non-billable header code. Use a more specific child code (such as G40.C0) for billing.
What are the subcodes of G40.C?
G40.C has 2 more specific child codes, including G40.C0, G40.C1.

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

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