G30

Non-billable

Alzheimer's disease

G30 is the ICD-10-CM code for Alzheimer's disease. It is a non-billable category code — use a more specific child code such as G30.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
4
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • Alzheimer's dementia senile and presenile forms

Excludes1 — not coded here

  • senile degeneration of brain NEC (G31.1)
  • senile dementia NOS (F03.-)
  • senility NOS (R41.81)

Use additional code

Frequently asked questions

What is ICD-10 code G30?
G30 is the ICD-10-CM code for "Alzheimer's disease". It falls under G00-G99 Diseases of the nervous system.
Is G30 a billable code?
No — G30 is a non-billable header code. Use a more specific child code (such as G30.0) for billing.
What are the subcodes of G30?
G30 has 4 more specific child codes, including G30.0, G30.1, G30.8.
What is excluded from G30?
Excludes1 (not coded here): senile degeneration of brain NEC (G31.1); senile dementia NOS (F03.-); senility NOS (R41.81).

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

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