6A02.5

ICD-11 MMS 2026-01

Autism spectrum disorder with disorder of intellectual development and with absence of functional language

Description

All definitional requirements for both autism spectrum disorder and disorder of intellectual development are met and there is complete, or almost complete, absence of ability relative to the individual’s age to use functional language (spoken or signed) for instrumental purposes, such as to express personal needs and desires

Index terms

  • Autism spectrum disorder with disorder of intellectual development and with absence of functional language
  • Autism spectrum disorder with disorder of intellectual development and absence of functional language with loss of previously acquired skills
  • Autism spectrum disorder with disorder of intellectual development and absence of functional language without loss of previously acquired skills

Exclusions from above levels

  • LD90.4 – Rett syndrome
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6A02.0 – Autism spectrum disorder without disorder of intellectual development and with mild or no impairment of functional language
  • 6A02.1 – Autism spectrum disorder with disorder of intellectual development and with mild or no impairment of functional language
  • 6A02.2 – Autism spectrum disorder without disorder of intellectual development and with impaired functional language
  • 6A02.3 – Autism spectrum disorder with disorder of intellectual development and with impaired functional language
  • 6A02.Y – Other specified autism spectrum disorder
  • 6A02.Z – Autism spectrum disorder, unspecified

Foundation entity

Autism spectrum disorder with disorder of intellectual development and with absence of functional language – http://id.who.int/icd/entity/1686726595

Part of: 6A02: Autism spectrum disorder › 06: Mental, behavioural or neurodevelopmental disorders