5A03.21

ICD-11 MMS 2026-01

Painless thyroiditis

Description

A destructive thyroiditis which has an autoimmune basis in the non-postpartum period. An inflammation of the thyroid gland characterised by transient hyperthyroidism, followed by hypothyroidism and then recovery.

Index terms

  • Painless thyroiditis
  • silent thyroiditis

Exclusions from above levels

  • 5A00.2 – Acquired hypothyroidism
  • 5A02 – Thyrotoxicosis
  • 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

  • 5A03.20 – Hashimoto thyroiditis
  • 5A03.2Y – Other specified autoimmune thyroiditis
  • 5A03.2Z – Autoimmune thyroiditis, unspecified

Foundation entity

Painless thyroiditis – http://id.who.int/icd/entity/1476950169

Part of: 5A03.2: Autoimmune thyroiditis › 5A03: Thyroiditis › 05: Endocrine, nutritional or metabolic diseases