Alzheimer's disease (G30)

• ICD-10 Index

  • Diseases of the nervous system (G00–G99)

    • Other degenerative diseases of the nervous system (G30-G32)

      • Alzheimer's disease (G30)

        • G30 - Alzheimer's disease NON-BILLABLE CODE
        • G30.0 - Alzheimer's disease with early onset BILLABLE CODE
        • G30.1 - Alzheimer's disease with late onset BILLABLE CODE
        • G30.8 - Other Alzheimer's disease BILLABLE CODE
        • G30.9 - Alzheimer's disease, unspecified BILLABLE CODE

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

• Alzheimer's dementia senile and presenile forms

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an 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

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• senile degeneration of brain NEC G31.1
• senile dementia NOS F03
• senility NOS R41.81