6A02.3ICD-11 MMS 2026-01
Autism spectrum disorder with disorder of intellectual development and with impaired functional language
Description
All definitional requirements for both autism spectrum disorder and disorder of intellectual development are met and there is marked impairment in functional language (spoken or signed) relative to the individual’s age, with the individual not able to use more than single words or simple phrases for instrumental purposes, such as to express personal needs and desires.
Index terms
- Autism spectrum disorder with disorder of intellectual development and with impaired functional language
- Autism spectrum disorder with disorder of intellectual development and with impaired functional language with loss of previously acquired skills
- Childhood disintegrative disorder
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- Dementia infantilis
- Disintegrative psychosis
- Heller syndrome
- Autism spectrum disorder with disorder of intellectual development and impaired functional language without loss of previously acquired skills
Exclusions from above levels
Sibling codes
6A02.0– Autism spectrum disorder without disorder of intellectual development and with mild or no impairment of functional language6A02.1– Autism spectrum disorder with disorder of intellectual development and with mild or no impairment of functional language6A02.2– Autism spectrum disorder without disorder of intellectual development and with impaired functional language6A02.5– Autism spectrum disorder with disorder of intellectual development and with absence of functional language6A02.Y– Other specified autism spectrum disorder6A02.Z– Autism spectrum disorder, unspecified
Foundation entity
Autism spectrum disorder with disorder of intellectual development and with impaired functional language – http://id.who.int/icd/entity/1477082111
Part of: 6A02: Autism spectrum disorder › 06: Mental, behavioural or neurodevelopmental disorders