ICD-10 Coding for Dementia with Lewy Bodies(G31.83, F02.81)
Complete ICD-10-CM coding and documentation guide for Dementia with Lewy Bodies. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Dementia with Lewy Bodies
G31.8Primary Range
Other specified degenerative diseases of nervous system
This range includes the primary code for Dementia with Lewy Bodies, which is G31.83.
Dementia in other diseases classified elsewhere
This range includes codes for dementia with behavioral disturbances, which may be used alongside G31.83.
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 | Dementia with Lewy bodies | Use when a confirmed diagnosis of Dementia with Lewy Bodies is made, supported by clinical features. |
|
| F02.81 | Dementia in other diseases classified elsewhere with behavioral disturbance | Use when DLB is accompanied by significant behavioral disturbances. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for Dementia with Lewy Bodies
Essential facts and insights about Dementia with Lewy Bodies
Primary ICD-10-CM Codes for dementia with lewy bodies
Decision Criteria
clinical Criteria
- Presence of fluctuating cognition, visual hallucinations, and parkinsonism
Clinical Validation Requirements
- Fluctuating cognition with pronounced variations in attention and alertness
- Recurrent visual hallucinations that are typically well-formed and detailed
- Spontaneous features of parkinsonism
Code-Specific Risks
- Misclassification with Alzheimer's or Parkinson's disease dementia
Coding Notes
- Ensure documentation supports the presence of core clinical features for accurate coding.
F02.81 - Dementia in other diseases classified elsewhere with behavioral disturbance
Use when DLB is accompanied by significant behavioral disturbances.
Applicable To
- Dementia with behavioral disturbances
Excludes
- Dementia without behavioral disturbance (F02.80)
Clinical Validation Requirements
- Documented behavioral disturbances such as aggression or paranoia
Coding Notes
Ensure behavioral disturbances are clinically significant and documented.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Dementia in other diseases classified elsewhere with behavioral disturbance
F02.81Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Dementia with Lewy Bodies to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G31.83.
Impact
Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims or reduced reimbursement.
Mitigation Strategy
Use specific clinical terms, Document all relevant symptoms and their impact
Impact
Reimbursement: Incorrect coding may lead to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.
Mitigation Strategy
Ensure documentation supports DLB diagnosis and use G31.83.
Impact
Incorrect use of F02.81 without documented disturbances.
Mitigation Strategy
Ensure all behavioral symptoms are documented and clinically significant.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Dementia with Lewy Bodies, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Dementia with Lewy Bodies
Use these documentation templates to ensure complete and accurate documentation for Dementia with Lewy Bodies. These templates include all required elements for proper coding and billing.
Neurology Consultation for DLB
Specialty: NeurologyRequired Elements
- Cognitive fluctuations
- Visual hallucinations
- Motor symptoms
- Medication sensitivity
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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