Alzheimer's disease, unspecified

This code represents Alzheimer's disease when the specific type (e.g., early onset, late onset, with behavioral disturbance) is not documented or cannot be determined. It indicates a progressive neurodegenerative disorder characterized by cognitive decline, memory loss, and functional impairment.

Use this code when the medical record clearly diagnoses Alzheimer's disease but lacks further specification regarding its onset or associated symptoms. This is appropriate when documentation simply states "Alzheimer's disease" without additional details.

• Avoid using this code if more specific documentation is available; always query for clarification if possible.
• Do not code this if the documentation specifies a type of Alzheimer's, such as G30.0 (early onset) or G30.1 (late onset).
• Consider additional codes for associated behavioral disturbances (e.g., F02.81 for dementia with behavioral disturbance in other diseases classified elsewhere) if documented.