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G31.83 Neurocognitive disorder with Lewy bodies
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
G31.83
Neurocognitive disorder with Lewy bodies
EXAMPLES
Lewy body dementia
Lewy body disease
Lewy body disease
CODING RULE
Use additional code: code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)
- Chapter
- VI · Diseases of the nervous system
- Section
- G30-G32
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.