GTR Home > Conditions/Phenotypes > Intrinsic factor deficiency


Congenital pernicious anemia (PA), or intrinsic factor deficiency, is a rare disorder characterized by the lack of gastric intrinsic factor in the presence of normal acid secretion and mucosal cytology and the absence of GIF antibodies that are found in the acquired form of pernicious anemia (170900). See also pernicious anemia due to defect in the receptor for vitamin B12/intrinsic factor (261100). [from GTR]

Available tests

16 tests are in the database for this condition.

Genes See tests for all associated and related genes

  • Also known as: IF, IFMH, INF, TCN3, GIF
    Summary: gastric intrinsic factor

Clinical features


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