Dementia, unknown or unspecified cause

Coding note

This category should only be used for primary tabulation, if the aetiology of the dementia is unknown. If the aetiology of the dementia is known code to the aetiology of the dementia for primary tabulation. When dementia is due to multiple aetiologies, code all that apply.

Exclusions from above levels

6A00 – Disorders of intellectual development
6D70 – Delirium
http://id.who.int/icd/entity/1516623224 – Neurodevelopmental disorders

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MB20.0 – Stupor
MB20.1 – Coma
MG2A – Ageing associated decline in intrinsic capacity
QE62 – Uncomplicated bereavement
QE84 – Acute stress reaction

Sibling codes

6D80 – Dementia due to Alzheimer disease
6D81 – Dementia due to cerebrovascular disease
6D82 – Dementia due to Lewy body disease
6D83 – Frontotemporal dementia
6D84 – Dementia due to psychoactive substances including medications
6D85 – Dementia due to diseases classified elsewhere
6D86 – Behavioural or psychological disturbances in dementia
6D8Y – Dementia, other specified cause

Foundation entity

Dementia – http://id.who.int/icd/entity/546689346

Allowed postcoordination axes

Part of: 06: Mental, behavioural or neurodevelopmental disorders