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Home/Diagnosis/ICD-10 Coding for Sundowning

ICD-10 Coding for Sundowning

F05
G30.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for sundowning includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Sundown Syndrome
Late-day Confusion
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Key Information: ICD-10 Coding for Sundowning

Essential facts and insights about ICD-10 Coding for Sundowning

Use ICD-10 code F05 for delirium due to known physiological condition, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Delirium due to known physiological condition

Billable Code
F05
Billable

Diagnostic Criteria

clinical:
  • • Presence of late-day confusion linked to a physiological condition
coding:
  • • Sequence underlying condition before F05

Applicable To

  • • Sundowning

Important Notes

  • • Ensure the underlying condition is coded first to comply with sequencing rules.

Alzheimer's disease with late onset

Billable Code
G30.1
Billable

Important Notes

  • • Ensure Alzheimer's is documented as the underlying condition.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z91.83

Wandering in diseases classified elsewhere

Use when there is documented wandering behavior.

Frequently Asked Questions

What is the ICD-10 code for sundowning?

The ICD-10 code for sundowning is F05, which is used for delirium due to known physiological conditions. It should be paired with the code for the underlying condition, such as Alzheimer's disease.

How do you code sundowning in Alzheimer's patients?

For sundowning in Alzheimer's patients, use G30.1 for Alzheimer's disease and F05 for sundowning. Ensure proper sequencing with Alzheimer's as the primary code.

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