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ICD-11 Criteria for Behavioural or Psychological Disturbances in Dementia (6D86)

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ICD-11 Criteria for Behavioural or Psychological Disturbances in Dementia (6D86)

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant behavioural or psychological disturbances.

Coding Note:     These categories should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of behavioural or psychological disturbance in dementia.

Code all that apply.

Exclusions:

  • Secondary mental or behavioural syndromes associated with disorders or diseases classified elsewhere (BlockL1‑6E6)

6D86.0       Psychotic Symptoms in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant delusions or hallucinations.

Exclusions:             

  • Schizophrenia or other primary psychotic disorders (BlockL1‑6A2)
  • Secondary psychotic syndrome (6E61)

6D86.1      Mood Symptoms in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant mood symptoms such as depressed mood, elevated mood, or irritable mood.

Exclusions:

  • Mood disorders (BlockL1‑6A6)
  • Secondary mood syndrome (6E62)

6D86.2             Anxiety symptoms in dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant symptoms of anxiety or worry.

Exclusions: 

  • Anxiety or fear-related disorders (BlockL1‑6B0)
  • Secondary anxiety syndrome (6E63)

6D86.3           Apathy in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant indifference or lack of interest.

Exclusions:    

  • Mood disorders (BlockL1‑6A6)
  • Secondary mood syndrome (6E62)

6D86.4       Agitation or Aggression in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes: 1) clinically significant excessive psychomotor activity accompanied by increased tension; or 2) hostile or violent behaviour.

6D86.5        Disinhibition in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant lack of restraint manifested in disregard for social conventions, impulsivity, and poor risk assessment.

6D86.6        Wandering in Dementia

In addition to the cognitive disturbances characteristic of dementia, the current clinical picture includes clinically significant wandering that puts the person at risk of harm.

6D86.Y         Other Specified Behavioural or Psychological Disturbances in Dementia

Coding Note:     These categories should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of behavioural or psychological disturbance in dementia.

Code all that apply.

6D86.Z            Behavioural or Psychological Disturbances in Dementia, Unspecified

Coding Note:     These categories should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of behavioural or psychological disturbance in dementia.

Code all that apply.

  6D8Y        Dementia, other Specified Cause

Coding Note:     This category should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of dementia in diseases classified elsewhere.

When dementia is due to multiple aetiologies, code all that apply.

  6D8Z       Dementia, Unknown or Unspecified cause

Coding Note:     This category should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of dementia in diseases classified elsewhere.

When dementia is due to multiple aetiologies, code all that apply.

  6E0Y          Other specified Neurocognitive Disorders
  6E0Z           Neurocognitive Disorders, Unspecified


REFERENCE:

International Classification of Diseases Eleventh Revision (ICD-11). Geneva: World Health Organization; 2022. License: CC BY-ND 3.0 IGO.

https://creativecommons.org/licenses/by-nc-nd/3.0/igo/


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  1. solid psychiatry15 August 2025 at 06:06

    ADHD in adults is often misunderstood, as many people think it only affects children. In reality, the condition can persist into adulthood, impacting focus, organization, and emotional regulation. The brain development and causes of ADHD in adults are linked to both genetic and environmental factors, which influence how certain brain regions function. Early detection and the right coping strategies can make a significant difference in daily life. Professional support, therapy, and lifestyle adjustments can help manage symptoms effectively. Raising awareness about adult ADHD can encourage more people to seek help without stigma.

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