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Xp22.3 microdeletion syndrome

Disease definition

Xp22.3 microdeletion syndrome is a microdeletion syndrome resulting from a partial deletion of the chromosome X. Phenotype is highly variable (depending on length of deletion), but is mainly characterized by X linked ichthyosis, mild-moderate intellectual deficit, Kallmann syndrome, short stature, chondrodysplasia punctata and ocular albinism. Epilepsy, attention deficit-hyperactivity disorder, autism and difficulties with social communication can be associated.


Classification level: Disorder
  • Synonym(s):
    • Del(X)(p23)
  • Prevalence: -
  • Inheritance: -
  • Age of onset: Neonatal
  • ICD-10: Q99.8
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -
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