ICD-11 classes
06 Mental, behavioural or neurodevelopmental disorders
Neurocognitive disorders
Dementia
6D80 — Dementia due to Alzheimer disease
6D80.0 — Dementia due to Alzheimer disease with early onset

ICD-11 6D80.0 — Dementia due to Alzheimer disease with early onset

Dementia due to Alzheimer disease in which symptoms emerge before the age of 65 years. It is relatively rare, representing less than 5% of all cases, and may be genetically determined (autosomal dominant Alzheimer disease). Clinical presentation may be similar to cases with later onset, but progression of cognitive deficits may be more rapid.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.