G30 ICD-10-CM Code: Alzheimer's disease
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
G30Alzheimer's disease
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where G30 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Other degenerative diseases of the nervous system (G30-G32)
- 3
Category G30
Alzheimer's disease
- 4
Code G30
Alzheimer's disease
More specific choices
Codes under G30
G30 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for G30.
Code first
No “code first” instruction is listed for G30.
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-)
Excludes1
Conditions that should not be reported together with this code.
- senile degeneration of brain NEC (G31.1)
- senile dementia NOS (F03.-)
- senility NOS (R41.81)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G30.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code G30 mean?
G30 is the FY 2027 U.S. ICD-10-CM code for “Alzheimer's disease.”
Is G30 a billable or specific ICD-10-CM code?
No. G30 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is G30 located in ICD-10-CM?
G30 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Other degenerative diseases of the nervous system (G30-G32) (G30–G32), under category G30, Alzheimer's disease.
What coding notes are listed for G30?
No inclusion terms are listed for G30 in this reference record. No code-first instruction is listed. Additional-code instructions: 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-). Excludes1 notes: senile degeneration of brain NEC (G31.1); senile dementia NOS (F03.-); senility NOS (R41.81). No Excludes2 note is listed.
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