ICD-11 Criteria for Selective Mutism (6B06)
Selective mutism is characterised
by consistent selectivity in speaking, such that a child demonstrates adequate
language competence in specific social situations, typically at home, but
consistently fails to speak in others, typically at school. The disturbance
lasts for at least one month, is not limited to the first month of school, and
is of sufficient severity to interfere with educational achievement or with
social communication. Failure to speak is not due to a lack of knowledge of, or
comfort with, the spoken language required in the social situation (e.g. a
different language spoken at school than at home).
Exclusions:
- Schizophrenia (6A20)
- Transient mutism as part of separation anxiety in young children (6B05)
- Autism spectrum disorder (6A02)
6B0Y Other specified anxiety or fear-related disorders
6B0Z Anxiety or fear-related disorders, unspecified
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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