G30
⚠ Non-billable
Alzheimer's disease
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G30
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Includes
- Alzheimer's dementia senile and presenile forms
Excludes1 — never code 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-)
Frequently asked questions
What is ICD-10 code G30?
ICD-10-CM code G30 represents Alzheimer's disease. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G30 billable?
No. G30 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G30 in?
G30 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G30 category
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