G30.0 – Alzheimer's disease with early onset
ICD-10-CM 2027 diagnosis code · Other degenerative diseases of the nervous system
ICD-10-CM code
G30.0
- Code
G30.0(claims format:G300)- Description
- Alzheimer's disease with early onset
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G30-G32 Other degenerative diseases of the nervous system
- Parent codes
- G30
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G30 – Alzheimer's disease
Includes:
- Alzheimer's dementia senile and presenile forms
Excludes1 (not coded here):
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-)
Index terms for G30.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G30
Frequently asked questions
What is ICD-10 code G30.0?
G30.0 is the ICD-10-CM code for alzheimer's disease with early onset, in the block G30-G32 (Other degenerative diseases of the nervous system).
Is G30.0 a billable code?
Yes. G30.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G30.0 belong to?
It belongs to category G30 – Alzheimer's disease.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.