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ICD-10 Guide
DiagnosesMajor Neurocognitive Disorder

Major Neurocognitive Disorder

ICD-10 Coding for Major Neurocognitive Disorder(F02.C11, G30.9)

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

Diagnosis Overview

What is Major Neurocognitive Disorder?
Essential facts and insights about Major Neurocognitive Disorder

Key Clinical Considerations:

  • Significant cognitive decline from a previous level of performance in one or more cognitive domains (e.g., complex attention, executive function, learning and memory, language, perceptual-motor, or social cognition)
  • Interference with independence in everyday activities
  • Not attributable to another mental disorder

Clinical Information

Clinical Criteria & Documentation Requirements

  • Detailed patient history including onset and progression of symptoms
  • Cognitive assessment results (e.g., MMSE, MoCA)
  • Evidence of functional impairment in daily living activities

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines emphasize the importance of specifying the underlying cause of neurocognitive disorder.
  • Common errors include misclassifying the severity or failing to document functional impairments.

Code Exclusions

Important Exclusions

  • Excludes conditions such as delirium, other specified mental disorders, and mild neurocognitive disorder.
  • Alternative codes may include those for specific types of dementia or cognitive impairment.

Related ICD-10 Codes

Primary Codes
F02.81
Major neurocognitive disorder due to Alzheimer's disease
F03
Unspecified neurocognitive disorder
F02.80
Major neurocognitive disorder due to other specified disease
Ancillary Codes
G30.9
F02.C11
Differential Codes
F03.90
F03.90
when there is no specific behavioral disturbance like agitation.
F01.50
F01.50
when dementia is due to vascular causes without behavioral symptoms.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Neurology

Specialty Applications

  • Older adults, individuals with neurological conditions, and patients with a history of cognitive decline.
  • Clinical settings include neurology clinics, geriatric care facilities, and memory assessment centers.

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

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 are the documentation requirements?

Documentation must include cognitive assessments, functional impairment details, and a comprehensive patient history.

What are the billing considerations?

Ensure accurate coding based on specific neurocognitive disorder type and document all relevant assessments.