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Home/Diagnosis/ICD-10 Coding for Dementia with Delirium

ICD-10 Coding for Dementia with Delirium

F05.1
F05.8

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

Also Known as:
Delirium superimposed on dementia
Acute confusional state in dementia
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Key Information: ICD-10 Coding for Dementia with Delirium

Essential facts and insights about ICD-10 Coding for Dementia with Delirium

Use ICD-10 code F05.1 for delirium superimposed on dementia, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Delirium superimposed on dementia

Non-Billable
F05.1
Non-Billable

Diagnostic Criteria

clinical:
  • • Presence of acute confusion in a patient with known dementia.
coding:
  • • Sequence dementia code before F05.1.

Applicable To

  • • Delirium with dementia

Important Notes

  • • Ensure documentation specifies the acute nature of delirium and its linkage to dementia.

Other delirium

Non-Billable
F05.8
Non-Billable

Diagnostic Criteria

clinical:
  • • Acute condition such as infection or metabolic imbalance
  • • New-onset agitation or confusion

Applicable To

  • • Delirium due to known physiological condition

Important Notes

  • • Ensure the acute condition is documented and coded first.
Ancillary Codes

Additional codes that may be used with this diagnosis

G30.9

Alzheimer's disease, unspecified

Use to specify the type of dementia when coding F05.1.

N39.0

Urinary tract infection, site not specified

Use to specify the acute condition causing delirium.

Frequently Asked Questions

What is the ICD-10 code for dementia with delirium?

The ICD-10 code for dementia with delirium is F05.1, used when delirium is superimposed on a pre-existing dementia diagnosis.

How do you code delirium in a dementia patient?

Code F05.1 for delirium superimposed on dementia, ensuring dementia is coded first. Use F05.8 if delirium is due to an acute condition.

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