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ICD-11 Criteria for Dementia due to Psychoactive Substances Including Medications (6D84)

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ICD-11 Criteria for Dementia due to Psychoactive Substances Including Medications (6D84)

Dementia due to psychoactive substances including medications includes forms of dementia that are judged to be a direct consequence of substance use and that persist beyond the usual duration of action or withdrawal syndrome associated with the substance. The amount and duration of substance use must be sufficient to produce the cognitive impairment. The cognitive impairment is not better accounted for by a disorder that is not induced by substances such as a dementia due to another medical condition.

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.

Exclusions:   

  • Dementia due to exposure to heavy metals and other toxins (6D85.2)

6D84.0        Dementia due to use of alcohol

Dementia due to use of alcohol is characterised by the development of persistent cognitive impairments (e.g., memory problems, language impairment, and an inability to perform complex motor tasks) that meet the definitional requirements of Dementia that are judged to be a direct consequence of alcohol use and that persist beyond the usual duration of alcohol intoxication or acute withdrawal. The intensity and duration of alcohol use must have been sufficient to produce the cognitive impairment. The cognitive impairment is not better accounted for by a disorder or disease that is not induced by alcohol such as a dementia due to another disorder or disease classified elsewhere.

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.

This category should not be used to describe cognitive changes due to thiamine deficiency associated with chronic alcohol use.

Inclusions: 

  • Alcohol-induced dementia

Exclusions: 

  • Wernicke-Korsakoff Syndrome (5B5A.1)
  • Korsakoff syndrome (5B5A.11)

6D84.1          Dementia due to use of Sedatives, Hypnotics or Anxiolytics

Dementia due to use of sedatives, hypnotics or anxiolytics is characterised by the development of persistent cognitive impairments (e.g., memory problems, language impairment, and an inability to perform complex motor tasks) that meet the definitional requirements of Dementia that are judged to be a direct consequence of sedative, hypnotic, or anxiolytic use and that persist beyond the usual duration of action or withdrawal syndrome associated with the substance. The amount and duration of sedative, hypnotic, or anxiolytic use must be sufficient to produce the cognitive impairment. The cognitive impairment is not better accounted for by a disorder that is not induced by sedatives, hypnotics, or anxiolytics such as a dementia due to another medical condition.

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.

Inclusions:

  • Late-onset psychoactive substance-induced psychotic disorder

6D84.2         Dementia due to use of volatile inhalants

Dementia due to use of volatile inhalants is characterised by the development of persistent cognitive impairments (e.g., memory problems, language impairment, and an inability to perform complex motor tasks) that meet the definitional requirements of Dementia that are judged to be a direct consequence of inhalant use or exposure and that persist beyond the usual duration of action or withdrawal syndrome associated with the substance. The amount and duration of inhalant use or exposure must be sufficient to be capable of producing the cognitive impairment. The cognitive impairment is not better accounted for by a disorder that is not induced by volatile inhalants such as a dementia due to another medical condition.

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.

6D84.Y         Dementia due to other specified psychoactive substance

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.


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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