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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