Thursday, 26 May 2022

ICD-11 Criteria for Dissociative Amnesia (6B61)

ICD-11 Criteria for Dissociative Amnesia (6B61)

Dissociative amnesia is characterised by an inability to recall important autobiographical memories, typically of recent traumatic or stressful events, that is inconsistent with ordinary forgetting. The amnesia does not occur exclusively during another dissociative disorder and is not better explained by another mental, behavioural or neurodevelopmental disorder. The amnesia is not due to the direct effects of a substance or medication on the central nervous system, including withdrawal effects, and is not due to a disease of the nervous system or to head trauma. The amnesia results in significant impairment in personal, family, social, educational, occupational or other important areas of functioning.


  • Amnesia NOS (MB21.1)
  • Amnestic disorder due to use of alcohol (6D72.10)
  • Anterograde amnesia (MB21.10)
  • Retrograde amnesia (MB21.11)
  • Nonalcoholic organic amnesic syndrome (6D72.0)
  • Postictal amnesia in epilepsy (BlockL1‑8A6)

6B61.0     Dissociative amnesia with dissociative fugue

Dissociative amnesia with dissociative fugue is characterised by all of the features of Dissociative Amnesia, accompanied by dissociative fugue, i.e., a loss of a sense of personal identity and sudden travel away from home, work, or significant others for an extended period of time (days or weeks). A new identity may be assumed.


  • Postictal fugue in epilepsy (BlockL1‑8A6)

6B61.1    Dissociative amnesia without dissociative fugue

Dissociative amnesia without dissociative fugue is characterised by all of the features of dissociative amnesia occurring in the absence of symptoms of dissociative fugue.

6B61.Z       Dissociative amnesia, unspecified


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

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