G31.83

Billable

Neurocognitive disorder with Lewy bodies

G31.83 is the ICD-10-CM code for Neurocognitive disorder with Lewy bodies. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G31.8
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • Lewy body dementia
  • Lewy body disease

Use additional code

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

Frequently asked questions

What is ICD-10 code G31.83?
G31.83 is the ICD-10-CM code for "Neurocognitive disorder with Lewy bodies". It falls under G00-G99 Diseases of the nervous system.
Is G31.83 a billable code?
Yes — G31.83 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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