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ICD-10 Guide
DiagnosesAlzheimer'S Dementia With Behavioral Disturbance

Alzheimer'S Dementia With Behavioral Disturbance

ICD-10 Coding for Alzheimer's Dementia with Behavioral Disturbance(G30.0, G30.1, F02.81)

PRIMARY SPECIALTYNeurology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Alzheimer'S Dementia With Behavioral Disturbance?
Essential facts and insights about Alzheimer's Dementia with Behavioral Disturbance

Key Clinical Considerations:

  • Presence of cognitive decline affecting daily functioning, including memory loss, language difficulties, and impaired reasoning.
  • Behavioral disturbances such as aggression, agitation, depression, or psychosis that significantly impact the patient's social interactions and quality of life.
  • Physical examination may reveal neurological deficits or changes in motor function.
  • Neuroimaging (e.g., MRI or CT scans) may show atrophy of the brain, particularly in the hippocampus and other areas associated with memory.
  • Severity can be assessed using scales such as the Clinical Dementia Rating (CDR) or the Mini-Mental State Examination (MMSE), indicating stages from mild to severe dementia.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Comprehensive documentation of cognitive assessments, behavioral observations, and any changes in the patient's condition over time.
  • Use of specific terminology such as 'Alzheimer's disease with behavioral disturbance' to ensure clarity in diagnosis.
  • Examples include noting the presence of specific behavioral symptoms and their impact on daily living.
  • Documentation must demonstrate medical necessity for any treatments or interventions provided.
  • Quality measures may include tracking cognitive decline and behavioral symptoms over time to assess treatment efficacy.

Coding Guidelines

Usage Guidelines & Examples

  • Use this diagnosis code when a patient exhibits both cognitive decline and significant behavioral disturbances that require intervention.
  • Do not use this code for patients with cognitive decline without behavioral disturbances or for other types of dementia.
  • Similar codes include G30.1 (Alzheimer's disease with late onset) and F02.80 (Dementia in other diseases classified elsewhere without behavioral disturbance).
  • Common errors include misclassifying the type of dementia or failing to document behavioral disturbances adequately.
  • In complex cases, ensure to document all relevant symptoms and their impact on the patient's daily life to support the selected code.

Code Exclusions

Important Exclusions

  • Excludes other types of dementia without behavioral disturbances, such as F02.80.
  • Alternative codes for excluded conditions may include G31.84 (Other specified degenerative diseases of the nervous system).
  • Conditions are excluded to ensure accurate representation of the patient's clinical picture and appropriate treatment planning.
  • Common mistakes include using this code for patients with mild cognitive impairment without behavioral issues.
  • Related but distinct conditions include vascular dementia (I67.4) and frontotemporal dementia (G31.0).

Related ICD-10 Codes

Primary Codes
G30.0
Alzheimer's disease, early onset
F02.81
Dementia in other diseases classified elsewhere with behavioral disturbance
Ancillary Codes
Z91.83
Differential Codes
G31.1
G31.1
for non-Alzheimer's related senile degeneration.
F02.80
F02.80
when no behavioral disturbances are present.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Neurology

Specialty Applications

  • Applies to patients diagnosed with Alzheimer's disease exhibiting behavioral disturbances.
  • Patient populations include older adults, particularly those over 65, with a higher prevalence in females.
  • Clinical settings include outpatient neurology clinics, inpatient psychiatric units, and long-term care facilities.
  • Specialty-specific applications are relevant in neurology, psychiatry, and geriatric medicine.
  • Treatment contexts include pharmacological management of behavioral symptoms and supportive therapies.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with Alzheimer's dementia with behavioral disturbance based on cognitive assessments and observed behaviors.'

Template 2

Template: 'Clinical presentation consistent with Alzheimer's dementia including memory loss and agitation.'

Template 3

Template: 'Diagnostic criteria for Alzheimer's dementia met as evidenced by cognitive decline and behavioral disturbances.'

Template 4

Template: 'Treatment plan initiated for Alzheimer's dementia with behavioral disturbance including pharmacotherapy and behavioral interventions.'

Template 5

Template: 'Follow-up care for Alzheimer's dementia with behavioral disturbance including monitoring of cognitive and behavioral symptoms.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Detailed documentation of cognitive assessments, behavioral symptoms, and their impact on daily living is required.

How does this differ from similar diagnoses?

Key differentiating factors include the presence of significant behavioral disturbances alongside cognitive decline.

What are common billing considerations?

Reimbursement factors include demonstrating medical necessity and the impact of behavioral disturbances on treatment.

What procedures are typically associated?

Related CPT codes may include neuropsychological testing and behavioral therapy interventions.

Are there any quality reporting implications?

Quality measures may include tracking cognitive decline and behavioral symptoms to assess treatment efficacy.