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ICD-10-CM-2017 Diagnosis Codes Overview
ICD-10-CM-2017 > G00-G99 > G30-G32 > G31
G30-G32
Other degenerative diseases of the nervous system
G31

Other degenerative diseases of nervous system, not elsewhere classified

Use add'l
code to identify:
dementia with behavioral disturbance (icd F02.81 Dementia in other diseases classified elsewhere with behavioral disturbanceF02.81)
dementia without behavioral disturbance (icd F02.80 Dementia in other diseases classified elsewhere without behavioral disturbanceF02.80)
Excl2.:
Reye's syndrome (icd G93.7 Reye's syndromeG93.7)
G31.0

Frontotemporal dementia

G31.01
Pick's disease
Info:
Primary progressive aphasia
Progressive isolated aphasia
G31.09
Other frontotemporal dementia
Info:
Frontal dementia
G31.1
Senile degeneration of brain, not elsewhere classified
Excl1.:
Alzheimer's disease (icd G30 Alzheimer's diseaseG30.-)
senility NOS (icd R41.81 Age-related cognitive declineR41.81)
G31.2
Degeneration of nervous system due to alcohol
Info:
Alcoholic cerebellar ataxia
Alcoholic cerebellar degeneration
Alcoholic cerebral degeneration
Alcoholic encephalopathy
Dysfunction of the autonomic nervous system due to alcohol
Use add'l
associated alcoholism (icd F10 Alcohol related disordersF10.-)
G31.8

Other specified degenerative diseases of nervous system

G31.81
Alpers disease
Info:
Grey-matter degeneration
G31.82
Leigh's disease
Info:
Subacute necrotizing encephalopathy
G31.83
Dementia with Lewy bodies
Info:
Dementia with Parkinsonism
Lewy body dementia
Lewy body disease
G31.84
Mild cognitive impairment, so stated
Excl1.:
age related cognitive decline (icd R41.81 Age-related cognitive declineR41.81)
altered mental status (icd R41.82 Altered mental status, unspecifiedR41.82)
cerebral degeneration (icd G31.9 Degenerative disease of nervous system, unspecifiedG31.9)
change in mental status (icd R41.82 Altered mental status, unspecifiedR41.82)
cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (icd I69.01 Cognitive deficits following nontraumatic subarachnoid hemorrhageI69.01-, icd I69.11 Cognitive deficits following nontraumatic intracerebral hemorrhageI69.11-, icd I69.21 Cognitive deficits following other nontraumatic intracranial hemorrhageI69.21-, icd I69.31 Cognitive deficits following cerebral infarctionI69.31-, icd I69.81 Cognitive deficits following other cerebrovascular diseaseI69.81-, icd I69.91 Cognitive deficits following unspecified cerebrovascular diseaseI69.91-)
cognitive impairment due to intracranial or head injury (icd S06 Intracranial injuryS06.-)
dementia (icd F01 Vascular dementiaF01.-, icd F02 Dementia in other diseases classified elsewhereF02.-, icd F03 Unspecified dementiaF03)
mild memory disturbance (icd F06.8 Other specified mental disorders due to known physiological conditionF06.8)
neurologic neglect syndrome (icd R41.4 Neurologic neglect syndromeR41.4)
personality change, nonpsychotic (icd F68.8 Other specified disorders of adult personality and behaviorF68.8)
G31.85
Corticobasal degeneration
G31.89
Other specified degenerative diseases of nervous system
G31.9
Degenerative disease of nervous system, unspecified


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