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Syndactyly type 6

Disease definition

Syndactyly type 6 is a rare, genetic, non-syndromic, congenital limb malformation disorder characterized by unilateral fusion of second to fifth fingers, amalgamation of distal phalanges in a knot-like structure, and second- and third-toe fusion. Some individuals present only with webbing between second and third toes, without involvement of fingers.


Classification level: Disorder
  • Synonym(s):
    • Mitten hand
    • Syndactyly, mitten type
    • Unilateral syndactyly of digits 2-5
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: Q70.1
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Additional information

Further information on this disease

Specialised Social Services

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