5A03.0

ICD-11 MMS 2026-01

Acute thyroiditis

Description

Acute thyroiditis is a rare form of thyroiditis directly caused by an infection, frequently bacterial.

Index terms

  • Acute thyroiditis
  • infectious thyroiditis
  • Acute thyroiditis due to bacterial infection
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  • Acute thyroiditis due to fungal infection
  • Abscess of thyroid
  • thyroid gland abscess
  • Acute suppurative thyroiditis
  • suppurative thyroiditis
  • Pyogenic 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

  • 5A03.1 – Subacute thyroiditis
  • 5A03.2 – Autoimmune thyroiditis
  • 5A03.Y – Other specified thyroiditis
  • 5A03.Z – Thyroiditis, unspecified

Foundation entity

Acute thyroiditis – http://id.who.int/icd/entity/737694495

Allowed postcoordination axes

Part of: 5A03: Thyroiditis › 05: Endocrine, nutritional or metabolic diseases