What is the ICD-10 code for unspecified dementia?

The ICD-10 code for unspecified dementia is F03.90 if there are no behavioral disturbances, and F03.91 if behavioral disturbances are present.

How do you code dementia with wandering?

For dementia with wandering, use F03.91 for unspecified dementia with behavioral disturbance and add Z91.83 for wandering.

ICD-10 Coding for Unspecified Dementia(F03.90, F02.8, F03.91)

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Learn about ICD-10 coding for unspecified dementia, including codes F03.90 and F03.91, documentation requirements, and common pitfalls.

Also known as:

Dementia NOSDementia not otherwise specifiedDementiaunspecified

Related ICD-10 Code Ranges

Complete code families applicable to Unspecified Dementia

F01-F99Primary Range

Mental, Behavioral and Neurodevelopmental disorders

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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
F03.90	Unspecified dementia without behavioral disturbance	Use when dementia is documented without any behavioral disturbances.	Cognitive decline documented without behavioral symptoms MMSE score indicating cognitive impairment
F03.91	Unspecified dementia with behavioral disturbance	Use when dementia is documented with behavioral disturbances.	Cognitive decline with documented behavioral symptoms like agitation or wandering Behavioral symptoms documented in clinical notes

Primary ICD-10-CM Codes

Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

F03.90Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Dementia in other diseases classified elsewhereF02.8

Documentation & Coding Risks

Avoid these common issues when documenting Unspecified Dementia.

Failing to document behavioral symptoms.

Impact

Clinical: Leads to incomplete patient records., Regulatory: Increases risk of audit and non-compliance., Financial: Potentially reduces reimbursement.

Mitigation

Train staff on documentation standards., Use templates to ensure completeness.

Using F03.90 when behavioral symptoms are present but not documented.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Increases risk of audit due to incorrect coding., Data Quality: Affects accuracy of patient records and data analysis.

Mitigation

Ensure all behavioral symptoms are documented to use F03.91.

Behavioral Disturbance Documentation

Impact

Lack of documentation for behavioral symptoms can trigger audits.

Mitigation

Ensure all behavioral symptoms are documented in detail.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with F03.90.

Primary Code

F03.90

Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for Unspecified Dementia(F03.90, F02.8, F03.91)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for unspecified dementia?

How do you code dementia with wandering?

Related condition guides