5A00.20

ICD-11 MMS 2026-01

Hypothyroidism due to medicaments or other exogenous substances

Description

A condition caused by an underactive thyroid due to a medicaments or other exogenous substances. This condition may present with fatigue, increased sensitivity to cold, constipation, dry skin, weight gain, muscle weakness, elevated blood cholesterol, muscle aches, joint pain or swelling, heavier or irregular menstrual periods, thinning hair, depression, or impaired memory.

Index terms

  • Hypothyroidism due to medicaments or other exogenous substances

Exclusions from above levels

  • 5A00.1 – iodine-deficiency-related hypothyroidism
  • 5D40 – Postprocedural hypothyroidism
  • 18 – Pregnancy, childbirth or the puerperium
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  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

  • 5A00.21 – Myxoedema coma
  • 5A00.22 – Subclinical iodine-deficiency hypothyroidism
  • 5A00.2Y – Other specified acquired hypothyroidism
  • 5A00.2Z – Acquired hypothyroidism, unspecified

Foundation entity

Hypothyroidism due to medicaments or other exogenous substances – http://id.who.int/icd/entity/471390091

Allowed postcoordination axes

Part of: 5A00.2: Acquired hypothyroidism › 5A00: Hypothyroidism › 05: Endocrine, nutritional or metabolic diseases