Emergency: 119
AMDA-IMIC

G30 Alzheimer's disease

Category / Non-billable header 4 subcodes

Block: Other degenerative diseases of the nervous system (G30-G32)

Includes

  • Alzheimer's dementia senile and presenile forms

Excludes 1 (cannot be coded together)

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

Use Additional Code

  • code, if applicable, to identify:
  • delirium, if applicable (F05)
  • dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
  • dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
  • dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
  • dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
  • dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
  • mild neurocognitive disorder due to known physiological condition (F06.7-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
G30..0 Alzheimer's disease with early onset Yes
G30..1 Alzheimer's disease with late onset Yes
G30..8 Other Alzheimer's disease Yes
G30..9 Alzheimer's disease, unspecified Yes

Plain-language term for this code

The following entry in the US Medical Glossary corresponds to ICD-10-CM category G30:

Last reviewed: September 2026