5C63.0

ICD-11 MMS 2026-01

Disorders of cobalamin metabolism or transport

Index terms

  • Disorders of cobalamin metabolism or transport
  • Haptocorrin deficiency
  • Cobalophilin deficiency
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  • Protein R deficiency
  • TCN1 - [Transcobalamin I] deficiency
  • Transcobalamin I deficiency
  • Vitamin B12-binding alpha-globulin deficiency
  • Vitamin B12-binding protein 1 deficiency
  • Other genetic defects of cobalamine transport or metabolism
  • Secondary non-genetic disorders of cobalamin absorption, transport or metabolism
  • Unspecified disorders of cobalamin absorption, transport or metabolism

Exclusions from above levels

  • 3A10.Z – Hereditary haemolytic anaemia due to enzyme deficiency
  • 5A71.01 – Congenital adrenal hyperplasia
  • 5A81.1 – 5-alpha-reductase deficiency
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  • LD28.01 – Marfan syndrome
  • LD28.1 – Ehlers-Danlos syndrome
  • LD2A.4 – androgen resistance syndrome
  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Foundation children elsewhere

  • 3A01.0 – Hereditary vitamin B12 deficiency anaemia
  • 3A01.1 – Neonatal vitamin B12 deficiency anaemia

Sibling codes

  • 5C63.1 – Disorders of folate metabolism or transport
  • 5C63.2 – Disorders of vitamin D metabolism or transport
  • 5C63.Y – Other specified disorders of vitamin or non-protein cofactor absorption or transport
  • 5C63.Z – Disorders of vitamin or non-protein cofactor absorption or transport, unspecified

Foundation entity

Disorders of cobalamin metabolism or transport – http://id.who.int/icd/entity/936546617

Part of: 5C63: Disorders of vitamin or non-protein cofactor absorption or transport › 05: Endocrine, nutritional or metabolic diseases