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

What this means — in plain language

MedlinePlus · NIH

What is Alzheimer's disease? Alzheimer's disease (AD) is the most common form of dementia among older people. Dementia is a brain disorder that seriously affects thinking and memory skills. If you have AD, it can impair your ability to reason or learn new skills until it becomes difficult to complete daily activities. AD begins slowly over many years. It first involves the parts of the brain that control thought,…

Read more about Alzheimer's Disease at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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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