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Table 1 ICD 9/10 diagnosis codes that were identified by the Nova Scotia Dementia Strategy as most likely to identify an individual with a diagnosis of dementia using administrative claims data

From: An examination of three prescribing cascades in a cohort of older adults with dementia

Description

ICD-9

ICD-10

Alcohol-induced persisting amnestic disorder

290.x

F01.x, F05.1

Alcohol-induced persisting dementia

291.1

F10.6

Amnestic disorder in conditions classified elsewhere

291.2

F10.7

Dementia in conditions classified elsewhere

294.0

F04.x

Other cerebral degenerations

Includes: Alzheimer’s disease; Frontotemporal dementia; Senile degeneration of the brain; Communicating hydrocephalus; Idiopathic normal pressure hydrocephalus; Cerebral degeneration in diseases classified elsewhere; dementia with Lewy’s bodies; Dementia with Parkinsonism; Cerebral degeneration, unspecified.

Excludes: Obstructive hydrocephalus; Reye’s syndrome

331.0–331.3, 331.5–331.7, 331.82, 331.83, 331.89, 331.9

G30.x, G31.0, G31.1, G31.8, G31.9, G32.8, G91.0, G91.2-G91.3, G91.8, G91.9, G94.x

Senility without mention of psychosis

797

R54.x