loading…
G31.84 Mild cognitive impairment of uncertain or unknown etiology
BackG31Other degenerative diseases of nervous system, not elsewhere classifiedCategory5 →G31.0Frontotemporal dementiaCategory2 →G31.01Pick's diseaseCategoryG31.09Other frontotemporal neurocognitive disorderCategoryG31.1Senile degeneration of brain, not elsewhere classifiedCategoryG31.2Degeneration of nervous system due to alcoholCategoryG31.8Other specified degenerative diseases of nervous systemCategory9 →G31.80Leukodystrophy, unspecifiedCategoryG31.81Alpers diseaseCategoryG31.82Leigh's diseaseCategoryG31.83Neurocognitive disorder with Lewy bodiesCategoryG31.84Mild cognitive impairment of uncertain or unknown etiologyCategoryG31.85Corticobasal degenerationCategoryG31.86Alexander diseaseCategoryG31.87Primary progressive apraxia of speechCategoryG31.89Other specified degenerative diseases of nervous systemCategoryG31.9Degenerative disease of nervous system, unspecifiedCategory
CategoryCODABLE
G31.84
Mild cognitive impairment of uncertain or unknown etiology
EXAMPLES
Mild cognitive disorder NOS
Mild neurocognitive disorder of uncertain or unknown etiology
Mild neurocognitive disorder of uncertain or unknown etiology
EXCLUDES
Excludes1: age related cognitive decline (R41.81)
altered mental status (R41.82)
cerebral degeneration (G31.9)
cerebrovascular diseases (I60-I69)
change in mental status (R41.82)
cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
cognitive impairment due to intracranial or head injury (S06.-)
dementia (F01.-, F02.-, F03.-)
mild neurocognitive disorder due to a known physiological condition (F06.7-)
neurologic neglect syndrome (R41.4)
personality change, nonpsychotic (F68.8)
altered mental status (R41.82)
cerebral degeneration (G31.9)
cerebrovascular diseases (I60-I69)
change in mental status (R41.82)
cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
cognitive impairment due to intracranial or head injury (S06.-)
dementia (F01.-, F02.-, F03.-)
mild neurocognitive disorder due to a known physiological condition (F06.7-)
neurologic neglect syndrome (R41.4)
personality change, nonpsychotic (F68.8)
CODING RULE
Use additional code: code to identify presence of:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
hypertension (I10-I1A)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
hypertension (I10-I1A)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
- Chapter
- VI · Diseases of the nervous system
- Section
- G30-G32
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.