Which conditions are included in the differential diagnoses of autism spectrum disorder (ASD)?

Updated: Sep 30, 2019
  • Author: James Robert Brasic, MD, MPH; Chief Editor: Caroly Pataki, MD  more...
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Answer

Other disorders to consider in the differential diagnosis of autism are as follows:

  • 44,XXX karyotype

  • 47 chromosomes

  • (7;20) balanced chromosomal translocation

  • Angelman syndrome

  • Deletion 1p35

  • Duplication of bands 15q11-13

  • Extra bisatellited marker chromosome

  • Habit disorder

  • Infantile hydrocephalus

  • Interstitial deletion of (17)(p11.2)

  • Inv Dup (15)(pter->q13)

  • Language disorder - Mixed, phonologic, receptive, or stuttering

  • Long Y chromosome

  • Minamata disease

  • Moebius syndrome

  • Nonketotic hyperglycinemia (NKH)

  • Partial 6p trisomy

  • Epilepsy

  • Infantile spasms

  • Tourette disorder

  • Trisomy 22

Children with lead poisoning may demonstrate neurobehavioral changes. Constipation, abdominal pain, and/or anorexia are common. Lead poisoning in children at risk should be ruled out through appropriate testing.


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