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

What this means — in plain language

MedlinePlus · NIH

What is Lewy body dementia (LBD)? Lewy body dementia (LBD) is one of the most common types of dementia in older adults. Dementia is a loss of mental functions that is severe enough to affect your daily life and activities. These functions include: Memory Language skills Visual perception (your ability to make sense of what you see) Problem solving Trouble with everyday tasks The ability to focus and pay attention…

Read more about Lewy Body Dementia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.