G30.0 Alzheimer's disease with early onset
Billable ICD-10-CM code, FY2026.
Applies from G30 Alzheimer's disease
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-)
Risk adjustment (HCC)
- CMS-HCC V28: HCC 127 — Dementia, Mild or Unspecified
- RxHCC V08: HCC 111 — Alzheimer's Disease
- ESRD V24: HCC 52
MS-DRG index
Defines the logic of DRG(s) 056-057 in MDC 01.
Approximate ICD-9-CM (GEMs)
331.0 Alzheimer's disease (approximate)
Code annotations containing back-references to G30.0
Back-references to G30.0
- Type 2 Excludes:
E85 Amyloidosis ("Alzheimer's disease (G30.0-)")
Back-references to G30
- Code First:
F02 Dementia in other diseases classified elsewhere ("Alzheimer's (G30.-)") - Code First:
F06.7 Mild neurocognitive disorder due to known physiological condition ("Alzheimer's disease (G30.-)") - Type 1 Excludes:
G31.1 Senile degeneration of brain, not elsewhere classified ("Alzheimer's disease (G30.-)") - Code First:
Z91.83 Wandering in diseases classified elsewhere ("Alzheimer's disease (G30.-)")
Diagnosis Index entries for G30.0
- Disease, diseased › Alzheimer's › early onset
- Disease, diseased › Alzheimer's › early onset › with behavioral disturbance
Nearby codes
G30 Alzheimer's diseaseG30.0 Alzheimer's disease with early onset (this code)G30.1 Alzheimer's disease with late onsetG30.8 Other Alzheimer's diseaseG30.9 Alzheimer's disease, unspecified