294.1 Dementia in conditions classified elsewhere
Dementia of the Alzheimer's type
Code first any underlying physical condition as:
dementia in:
Alzheimer's disease (331.0)
cerebral lipidoses (330.1)
dementia with Lewy bodies (331.82)
dementia with Parkinsonism (331.82)
epilepsy (345.0-345.9)
frontal dementia (331.19)
frontotemporal dementia (331.19)
general paresis [syphilis] (094.1)
hepatolenticular degeneration (275.1)
Huntington's chorea (333.4)
Jakob-Creutzfeldt disease (046.1)
multiple sclerosis (340)
Pick's disease of the brain (331.11)
polyarteritis nodosa (446.0)
syphilis (094.1)
Excludes:
dementia:
arteriosclerotic (290.40-290.43)
presenile (290.10-290.13)
senile (290.0)
epileptic psychosis NOS (294.8)