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2009 ICD-9-CM
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331 Other cerebral degenerations
Use additional code, where applicable, to identify dementia:
with behavioral disturbance (294.11)
without behavioral disturbance (294.10) | |
 eicd10 | 331.0 Alzheimer's disease |
 | |
| eicd10 | 331.2 Senile degeneration of brain
Excludes: senility NOS (797) |
| eicd10 | 331.3 Communicating hydrocephalus
Secondary normal pressure hydrocephalus
Excludes: congenital hydrocephalus (742.3)
idiopathic normal pressure hydrocephalus (331.5)
normal pressure hydrocephalus (331.5)
spina bifida with hydrocephalus (741.0) |
| eicd10 | 331.4 Obstructive hydrocephalus
Acquired hydrocephalus NOS
Excludes: congenital hydrocephalus (742.3)
idiopathic normal pressure hydrocephalus (331.5)
normal pressure hydrocephalus (331.5)
spina bifida with hydrocephalus (741.0) |
| eicd10 | 331.5 Idiopathic normal pressure hydrocephalus (INPH)
Normal pressure hydrocephalus NOS
Excludes: congenital hydrocephalus (742.3)
secondary normal pressure hydrocephalus (331.3)
spina bifida with hydrocephalus (741.0) |
| eicd10 | 331.7 Cerebral degeneration in diseases classified elsewhere
Code first underlying disease, as:
alcoholism (303.0-303.9)
beriberi (265.0)
cerebrovascular disease (430-438)
congenital hydrocephalus (741.0, 742.3)
neoplastic disease (140.0-239.9)
myxedema (244.0-244.9)
vitamin B12 deficiency (266.2)
Excludes: cerebral degeneration in:
Jakob-Creutzfeldt disease (046.1)
progressive multifocal leukoencephalopathy (046.3)
subacute spongiform encephalopathy (046.1) |
| |
| eicd10 | 331.9 Cerebral degeneration, unspecified |