x

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.

Attention

Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Orphanet doesn't provide personalised answers. To get in touch with the Orphanet team, please contact

Information provided in your contribution (including your email address) will be stocked in .CSV files that will be sent as an email to Orphanet's teams. These emails might be conserved in the teams' mailboxes, in our backoffice servers but will not be registered in our databases (for more information see our section General Data Protection Regulation and data privacy (GDPR) and Confidentiality).

Captcha image

Congenital intrinsic factor deficiency

Disease definition

Congenital intrinsic factor deficiency (IFD) is a rare disorder of vitamin B12 (cobalamin) absorption that is characterized by megaloblastic anemia and neurological abnormalities.

ORPHA:332

Classification level: Disorder
  • Synonym(s):
    • Congenital pernicious anemia
    • Gastric intrinsic factor deficiency
    • Hereditary juvenile megaloblastic anemia due to intrinsic factor deficiency
    • IFD
    • Intrinsic factor deficiency
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive or Not applicable 
  • Age of onset: Childhood
  • ICD-10: D51.0
  • OMIM: 243320  261000
  • UMLS: C0340957  C1394891
  • MeSH: -
  • GARD: 3024
  • MedDRA: 10070440

Detailed information

Professionals

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.