5A02.4

ICD-11 MMS 2026-01

Thyrotoxicosis factitia

Description

Thyrotoxicosis factitia occurs by the ingestion of excessive amounts of exogenous thyroid hormone in the form of thyroid hormone supplements such as the most widely used supplement levothyroxine.

Index terms

  • Thyrotoxicosis factitia
  • factitious hyperthyroidism
  • factitious hyperthyroidism from ingestion of excessive thyroid material
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  • iatrogenic hyperthyroidism (in part)
  • iatrogenic thyrotoxicosis (in part)
  • thyrotoxicosis medicamentosa (in part)

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
  • 5A02.5 – Thyroid crisis
  • 5A02.6 – Secondary hyperthyroidism
  • 5A02.Y – Other specified thyrotoxicosis
  • 5A02.Z – Thyrotoxicosis, unspecified

Foundation entity

Thyrotoxicosis factitia – http://id.who.int/icd/entity/758919242

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