5A50

ICD-11 MMS 2026-01

Hypoparathyroidism

Description

Hypoparathyroidism is a condition with insufficient biological actions of parathyroid hormone due to impaired secretion of parathyroid hormone or refractoriness of target tissues to parathyroid hormone.

Excludes

  • 5D42 – Postprocedural hypoparathyroidism
  • MB47.D – tetany NOS

Exclusions from above levels

  • 5B57 – Hypovitaminosis D
  • 5C54.1 – Hyperphosphataemic familial tumoural calcinosis
  • 5C63.20 – Hypocalcaemic vitamin D dependent rickets
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  • 5C63.21 – Hypocalcaemic vitamin D resistant rickets
  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Child codes

  • 5A50.0 – Hypoparathyroidism due to impaired parathyroid hormone secretion
  • 5A50.1 – Pseudohypoparathyroidism
  • 5A50.Y – Other specified hypoparathyroidism
  • 5A50.Z – Hypoparathyroidism, unspecified

Foundation children elsewhere

  • KB64 – Transitory neonatal hypoparathyroidism

Sibling codes

  • 5A51 – Hyperparathyroidism
  • 5A5Y – Other specified disorders of the parathyroids or parathyroid hormone system
  • 5A5Z – Disorders of the parathyroids or parathyroid hormone system, unspecified

Foundation entity

Hypoparathyroidism – http://id.who.int/icd/entity/1708733050

Allowed postcoordination axes

Part of: 05: Endocrine, nutritional or metabolic diseases