What is the ICD-10 code for Lewy Body Dementia?

The ICD-10 code for Lewy Body Dementia is G31.83, used for diagnosing dementia with Lewy bodies.

How do you code Lewy Body Dementia with behavioral disturbances?

Code G31.83 for Lewy Body Dementia and F02.81 for dementia with behavioral disturbances.

ICD-10 Coding for Lewy Body Dementia(G31.83, F02.80, F02.81)

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Learn about ICD-10 coding for Lewy Body Dementia, including code G31.83, documentation requirements, and coding tips.

Also known as:

Dementia with Lewy BodiesDLB

Related ICD-10 Code Ranges

Complete code families applicable to Lewy Body Dementia

G00-G99Primary Range

Diseases of the nervous system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
G31.83	Lewy Body Disease	Use when diagnosing Lewy Body Dementia with confirmed clinical features.	Fluctuating cognition with pronounced variations in attention and alertness Recurrent visual hallucinations REM sleep behavior disorder + 1 more
F02.80	Dementia in other diseases classified elsewhere without behavioral disturbance	Use when dementia is present without behavioral disturbances.	Documented cognitive decline without behavioral disturbances
F02.81	Dementia in other diseases classified elsewhere with behavioral disturbance	Use when dementia is present with behavioral disturbances.	Documented cognitive decline with behavioral disturbances such as aggression or hallucinations

Primary ICD-10-CM Codes

Neurocognitive disorder with Lewy bodies

G31.83Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Parkinson's DiseaseG20

Documentation & Coding Risks

Avoid these common issues when documenting Lewy Body Dementia.

Using unspecified dementia codes without documenting specific etiology.

Impact

Clinical: Inaccurate representation of patient's condition., Regulatory: Potential for audit and compliance issues., Financial: Risk of claim denials due to lack of specificity.

Mitigation

Always document the underlying cause of dementia., Use specific codes like G31.83 for Lewy Body Dementia.

Confusing Lewy Body Dementia with Parkinson's Disease

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Verify the timeline of symptom onset; use G31.83 if cognitive symptoms precede or coincide with motor symptoms.

Code Sequencing

Impact

Incorrect sequencing of G31.83 and F02.81 can lead to audit flags.

Mitigation

Educate coding staff on proper sequencing rules and documentation requirements.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with G31.83.

Primary Code

G31.83

Neurocognitive disorder with Lewy bodies

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ICD-10 codes4

Coding risks3

FAQs2

ICD-10 Coding for Lewy Body Dementia(G31.83, F02.80, F02.81)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for Lewy Body Dementia?

How do you code Lewy Body Dementia with behavioral disturbances?

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