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Congenital sucrase-isomaltase deficiency

Disease definition

Congenital sucrase-isomaltase deficiency (CSID) is a carbohydrate intolerance disorder characterised by malabsorption of oligosaccharides and disaccharides.


  • Synonym(s):
    • CSID
    • Congenital sucrase-isomaltose malabsorption
    • Congenital sucrose intolerance
    • Disaccharide intolerance
  • Prevalence: 1-5 / 10 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Childhood
  • ICD-10: E74.3
  • OMIM: 222900
  • UMLS: C1283620
  • MeSH: C538139
  • GARD: 6183  7710
  • MedDRA: 10066387

Additional information

Further information on this disease

Specialised Social Services

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