Autism spectrum disorder (ASD) refers any one of a group of disorders with an onset typically occurring during the preschool years and characterized by difficulties with social communication and social interaction and restricted and repetitive patterns in behaviours, interests, and activities. The term “spectrum” is used because of the heterogeneity in the presentation and severity of ASD symptoms, as well as in the skills and level of functioning of individuals who have ASD.
Autism Spectrum Disorder (ASD) can be identified with Read Codes (primary care) and/or ICD-10 codes. Codes to identify Autism Spectrum Disorder (ASD) come from Underwood et al. (2022) and are selecting for the maximum sensitivity and specificity of autistic phenotypes.
Underwood, J. F., DelPozo-Banos, M., Frizzati, A., John, A., & Hall, J. (2022). Evidence of increasing recorded diagnosis of autism spectrum disorders in Wales, UK: An e-cohort study. Autism, 26(6), 1499–1508. https://doi.org/10.1177/13623613211059674
|E1400||infantile autism - active | active infantile autism|
|E1401||infantile autism - residual | residual infantile autism|
|E140z||infantile autism nos|
|F84.3||Other childhood disintegrative disorder|
|F84.4||Overactive disorder associated with mental retardation and stereotyped movements|
|F84.8||Other pervasive developmental disorders|
|F84.9||Pervasive developmental disorders, unspecified|
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