5C61.62

ICD-11 MMS 2026-01

Secondary lactase deficiency

Description

This form of lactase deficiency results from some sort of damage to the intestines either due to a disease or surgery.

Index terms

  • Secondary lactase deficiency
  • acquired lactase deficiency
  • acquired lactose intolerance
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  • secondary lactose intolerance

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

Sibling codes

  • 5C61.60 – Primary lactase deficiency
  • 5C61.61 – Congenital lactase deficiency
  • 5C61.6Z – Lactose intolerance, unspecified

Foundation entity

Secondary lactase deficiency – http://id.who.int/icd/entity/418606819

Allowed postcoordination axes

Part of: 5C61.6: Lactose intolerance › 5C61: Disorders of carbohydrate absorption or transport › 05: Endocrine, nutritional or metabolic diseases