5A02.6

ICD-11 MMS 2026-01

Secondary hyperthyroidism

Description

Overproduction of thyroid hormone in the thyroid gland induced by dysfunction of the pituitary gland or hypothalamus.

Index terms

  • Secondary hyperthyroidism
  • Secondary central hyperthyroidism
  • inappropriate secretion of thyroid-stimulating hormone
Show allHide
  • syndrome of inappropriate secretion of thyroid-stimulating hormone

Excludes

  • 5A02.Y – Selective pituitary resistance to thyroid hormone
  • 5A05 – Generalised resistance to thyroid hormone

Exclusions from above levels

  • KB62.0 – Transitory neonatal hyperthyroidism
  • 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

  • 5A02.0 – Thyrotoxicosis with diffuse goitre
  • 5A02.1 – Thyrotoxicosis with toxic single thyroid nodule
  • 5A02.2 – Thyrotoxicosis with toxic multinodular goitre
  • 5A02.3 – Thyrotoxicosis from ectopic thyroid tissue
  • 5A02.4 – Thyrotoxicosis factitia
  • 5A02.5 – Thyroid crisis
  • 5A02.Y – Other specified thyrotoxicosis
  • 5A02.Z – Thyrotoxicosis, unspecified

Foundation entity

Secondary hyperthyroidism – http://id.who.int/icd/entity/355116695

Allowed postcoordination axes

Part of: 5A02: Thyrotoxicosis › 05: Endocrine, nutritional or metabolic diseases