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6A02.3 Autism spectrum disorder with disorder of intellectual development and with impaired functional language

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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.

synonyms

• 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
• Heller syndrome
• Disintegrative psychosis
• Dementia infantilis
• Autism spectrum disorder with disorder of intellectual development and impaired functional language without loss of previously acquired skills

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