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ICD-11 Criteria for Amnestic Disorder (6D72)

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ICD-11 Criteria for Amnestic Disorder (6D72)

Prominent memory impairment relative to expectations for age and general premorbid level of cognitive functioning, which represents a decline from the individual’s previous level of functioning characterizes amnestic disorder, in the absence of other significant cognitive impairment. It is manifested by a deficit in acquiring, learning, and/or retaining new information, and may include the inability to recall previously learned information, without disturbance of consciousness, altered mental status, or delirium. Recent memory is typically more disturbed than remote memory, and the ability to immediately recall a limited amount of information is usually relatively preserved. The memory impairment is severe enough to result in significant impairment in personal, family, social, educational, occupational, or other important areas of functioning. It is is presumed to be attributable to an underlying acquired disease of the nervous system, a trauma, an infection or other disease process affecting the brain, to use of specific substances or medications, nutritional deficiency or exposure to toxins, or the etiology may be undetermined. The impairment is not due to current substance intoxication or withdrawal.

Exclusions:             

  • Delirium (6D70)
  • Dementia (BlockL2‑6D8)
  • Mild neurocognitive disorder (6D71)

6D72.0         Amnestic disorder due to diseases classified elsewhere

All definitional requirements for amnestic disorder are met. The memory symptoms are judged to be the direct pathophysiological consequence of a medical condition not classified under mental, behavioural and neurodevelopmental disorders, based on evidence from the history, physical examination, or laboratory findings. The symptoms are not better explained by Delirium, Dementia, another mental disorder (e.g., Schizophrenia or Other Primary Psychotic Disorder, a Mood Disorder) or the effects of a medication or substance, including withdrawal effects. The symptoms are sufficiently severe to be a specific focus of clinical attention. The identified etiological medical condition should be classified separately.

Coding Note:     Code aslo the causing condition

Exclusions:             

  • amnesia: retrograde (MB21.11)
  • Korsakoff syndrome, alcohol-induced or unspecified (8D44)
  • Dissociative amnesia (6B61)
  • Anterograde amnesia (MB21.10)
  • amnesia NOS (MB21.1)

6D72.1      Amnestic disorder due to psychoactive substances including medications

I met all definitional requirements for amnestic disorder. The memory symptoms are judged to be the direct consequence of psychoactive substance use. The intensity and duration of substance use must be known to be capable of producing memory impairment. The memory impairment may develop during or soon after substance intoxication or withdrawal, but its intensity and duration are substantially in excess of those normally associated with these conditions. The symptoms are not better accounted for by another disorder or medical condition, as might be the case if the amnestic symptoms preceded the onset of substance use.

Coding Note:   Code aslo the causing condition

6D72.10        Amnestic disorder due to use of alcohol

All definitional requirements for amnestic disorder are met. The memory symptoms are judged to be the direct consequence of alcohol use. The intensity and duration of alcohol use must be known to be capable of producing memory impairment. The memory impairment may develop during or soon after alcohol intoxication or withdrawal, but its intensity and duration are substantially in excess of those normally associated with these conditions. The symptoms are not better accounted for by another disorder or medical condition, as might be the case if the amnestic symptoms preceded the onset of the alcohol use.

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

Exclusions:

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

6D72.11       Amnestic disorder due to use of sedatives, hypnotics or anxiolytics

All definitional requirements for amnestic disorder are met. The memory symptoms are judged to be the direct consequence of use of sedatives, hypnotics or anxiolytics. The intensity and duration of use of sedatives, hypnotics or anxiolytics must be known to be capable of producing memory impairment. The memory impairment may develop during or soon after sedative, hypnotic or anxiolytic intoxication or withdrawal, but its intensity and duration are substantially in excess of those normally associated with these conditions. The symptoms are not better accounted for by another disorder or medical condition, as might be the case if the amnestic symptoms preceded the onset of use of sedatives, hypnotics or anxiolytics.

Coding Note:     Code aslo the causing condition

6D72.12        Amnestic disorder due to other specified psychoactive substance including medications

All definitional requirements for amnestic disorder are met. The memory symptoms are judged to be the direct consequence of use of a specified psychoactive substance other than alcohol; sedatives, hypnotics or anxiolytics; or volatile inhalants. The intensity and duration of use of the specified psychoactive substance must be known to be capable of producing memory impairment. The memory impairment may develop during or soon after specified psychoactive substance intoxication or withdrawal, but its intensity and duration are substantially in excess of those normally associated with these conditions. The symptoms are not better accounted for by another disorder or medical condition, as might be the case if the amnestic symptoms preceded the onset of the specified psychoactive substance.

6D72.13       Amnestic disorder due to use of volatile inhalants

All definitional requirements for amnestic disorder are met. The memory symptoms are judged to be the direct consequence of use of volatile inhalants. The intensity and duration of use of volatile inhalants must be known to be capable of producing memory impairment. The memory impairment may develop during or soon after volatile inhalant intoxication or withdrawal, but its intensity and duration are substantially in excess of those normally associated with these conditions. The symptoms are not better accounted for by another disorder or medical condition, as might be the case if the amnestic symptoms preceded the onset of use of volatile inhalants.

6D72.2        Amnestic disorder due to unknown or unspecified aetiological factors

All definitional requirements for amnestic disorder are met. The specific etiology of the disorder is unspecified or cannot be determined.

6D72.Y          Amnestic disorder, other specified cause
6D72.Z          Amnestic disorder, unknown or unspecified cause

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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