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ICD-10 Coding for Sundowning(F05, G30.1, I69.31)

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Learn about ICD-10 coding for sundowning, including code F05 and its relationship with Alzheimer's disease. Find documentation tips and common pitfalls.

Also known as:
Sundown SyndromeLate-day Confusion
Related ICD-10 Code Ranges

Complete code families applicable to Sundowning

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

CodeDescription
F05Delirium due to known physiological condition
G30.1Alzheimer's disease with late onset
Primary ICD-10-CM Codes
Delirium due to known physiological condition
F05Billable
Alzheimer's disease with late onset
G30.1Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Delirium NOSR41.0

Use when delirium is not linked to a known physiological condition.

Documentation & Coding Risks

Avoid these common issues when documenting Sundowning.

Vague documentation of symptoms

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials.

Mitigation

Use specific language to describe symptoms, Link symptoms to underlying conditions

Using R41.0 instead of F05 for sundowning

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use F05 when sundowning is linked to a known physiological condition.

Incorrect sequencing of codes

Impact

Failure to sequence the underlying condition before F05.

Mitigation

Ensure training on proper sequencing rules.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with F05.