Autism Diagnosis
Screening and Diagnosis of Autism Spectrum Disorder. Diagnosing autism spectrum disorder (ASD) can be difficult, since there is no medical test, like a blood test, to diagnose the disorders. Doctors look at the child’s behavior and development to make a diagnosis. ASD can sometimes be detected at 18 months or younger.
World Health Organization
The abilities and needs of autistic people vary and can evolve over time. While some people with autism can live independently, others have severe disabilities and require life-long care and support. Autism often has an impact on education and employment opportunities. In addition, the demands on families providing care and support can be significant. Societal attitudes and the level of support provided by local and national authorities are important factors determining the quality of life of people with autism.
Research has shown that a diagnosis of autism at age 2 can be reliable, valid, and stable
Even though ASD can be diagnosed as early as age 2 years, most children are not diagnosed with ASD until after age 4 years. The median age of first diagnosis by subtype is as follows. [Read article]
- Autistic disorder: 3 years, 10 months
- ASD/pervasive developmental disorder (PDD): 4 years, 8 months
- Asperger disorder: 5 years, 7 months
Studies have shown that parents of children with ASD notice a developmental problem before their child’s first birthday. Concerns about vision and hearing were more often reported in the first year, and differences in social, communication, and fine motor skills were evident from 6 months of age
ASD Checks
1. Anomaly or defects (facial features, head circumference, body length)
2. Neurologic Exam