ICD-11 Criteria for Secondary Mental or Behavioural Syndromes Associated with Disorders or Diseases Classified Elsewhere (BlockL1‑6E6)

This grouping includes syndromes characterised by the presence of prominent psychological or behavioural symptoms judged to be direct pathophysiological consequences of a medical condition not classified under mental and behavioural disorders, based on evidence from the history, physical examination, or laboratory findings. The symptoms are not accounted for by delirium or by another mental and behavioural disorder, and are not a psychologically mediated response to a severe medical condition (e.g., adjustment disorder or anxiety symptoms in response to being diagnosed with a life-threatening illness). These categories should be used in addition to the diagnosis for the presumed underlying disorder or disease when the psychological and behavioural symptoms are sufficiently severe to warrant specific clinical attention.

Exclusions:

Acute pain (MG31)
Bodily distress disorder (6C20)
Chronic pain (MG30)

Coded Elsewhere: Delirium due to disease classified elsewhere (6D70.0)

6E60 Secondary Neurodevelopmental Syndrome

A syndrome that involves significant neurodevelopmental features that do not fulfill the diagnostic requirements of any of the specific neurodevelopmental disorders that is judged to be a direct pathophysiological consequence of a health condition not classified under mental and behavioural disorders (e.g., autistic-like features in Retts syndrome; aggression and self-mutilation in Lesch-Nyhan syndrome, abnormalities in language development in Williams syndrome), based on evidence from the history, physical examination, or laboratory findings.

This category should be used in addition to the diagnosis for the presumed underlying disorder or disease when the neurodevelopmental problems are sufficiently severe to warrant specific clinical attention.

Coding Note: Code aslo the causing condition

Exclusions:

Autism spectrum disorder (6A02)
Disorders of intellectual development (6A00)
Stereotyped movement disorder (6A06)

6E60.0 Secondary speech or language syndrome

A syndrome that involves significant features related to speech or language development that do not fulfill the diagnostic requirements of any of the specific developmental speech or language disorders that is judged to be a direct pathophysiological consequence of a health condition not classified under mental and behavioural disorders, based on evidence from the history, physical examination, or laboratory findings. Possible etiologies include a disease of the nervous system, sensory impairment, brain injury or infection.

Coding Note: This diagnosis should be assigned in addition to the diagnosis for the presumed underlying disorder or disease when the neurodevelopmental problems are sufficiently severe to warrant specific clinical attention.

6E60.Y Other specified secondary neurodevelopmental syndrome

Coding Note: Code aslo the causing condition

6E60.Z Secondary neurodevelopmental syndrome, unspecified

Coding Note: Code aslo the causing condition

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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