G30: Alzheimer's disease
Codes under G30 (Alzheimer's disease). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G30.0 | Alzheimer's disease with early onset | ✓ |
| G30.0 | Alzheimer's disease with early onset | ✓ |
| G30.1 | Alzheimer's disease with late onset | ✓ |
| G30.1 | Alzheimer's disease with late onset | ✓ |
| G30.8 | Other Alzheimer's disease | ✓ |
| G30.8 | Other Alzheimer's disease | ✓ |
| G30.9 | Alzheimer's disease, unspecified | ✓ |
| G30.9 | Alzheimer's disease, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code G30?
G30 is an ICD-10-CM category covering Alzheimer's disease. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is G30 a billable code?
No — G30 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G30.0 — Alzheimer's disease with early onset). 8 of the 8 codes under G30 are billable.
What codes fall under G30?
G30 includes G30.0, G30.0, G30.1, G30.1, G30.8, plus 3 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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