331: Other cerebral degenerations
Use additional code, where applicable, to identify dementia:
with behavioral disturbance (294.11)
without behavioral disturbance (294.10)
331.8 Other cerebral degeneration
Dementia with Parkinsonism
Lewy body dementia
Lewy body disease
Excludes:
altered mental status (780.97)
cerebral degeneration (331.0-331.9)
change in mental status (780.97)
cognitive deficits following (late effects of) cerebral hemorrhage or infarction (438.0)
cognitive impairment due to intracranial or head injury (850-854, 959.01)
cognitive impairment due to late effect of intracranial injury (907.0)
cognitive impairment due to skull fracture (800-801, 803-804)
dementia (290.0-290.43, 294.20-294.21)
mild memory disturbance (310.89)
neurologic neglect syndrome (781.8)
personality change, nonpsychotic (310.1)
Cerebral ataxia

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