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G31.83

✓ Billable

Neurocognitive disorder with Lewy bodies

Diseases of the nervous system (G00-G99)

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Also Known As

Lewy body dementiaLewy body disease

📋 Code Instructions

  • • code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)

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Code Information

CodeG31.83
BillableYes
ParentG31.8
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)