5A01.1

ICD-11 MMS 2026-01

Nontoxic single thyroid nodule

Description

Single tumour of the thyroid gland due to follicular multiplication, unaccompanied by hyperthyroidism or thyrotoxicosis

Index terms

  • Nontoxic single thyroid nodule
  • Thyroid nodule NOS
  • adenoma gelatinosum (in part)
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  • adenomatous goitre (in part)
  • colloid goitre (in part)
  • colloid nodule
  • colloid thyroid cyst
  • cyst of the thyroid gland
  • cystic colloid nodule
  • diffuse colloid goitre (in part)
  • endemic goitre (in part)
  • euthyroid goitre
  • follicular goitre
  • nodule of the thyroid gland
  • non-toxic single thyroid nodule
  • nontoxic thyroid nodule
  • nontoxic uninodular goitre
  • parenchymatous goitre
  • sporadic diffuse nontoxic goitre (in part)
  • struma colloides (in part)
  • struma follicularis
  • struma gelatinosa (in part)
  • struma nodosa (in part)
  • struma parenchymatosa
  • thyroid colloid nodule
  • thyroid gland node
  • thyroid glandular cyst
  • thyroid glandular nodule
  • thyroid node
  • uninodular goitre
  • uninodular nontoxic struma
  • uninodular struma

Exclusions from above levels

  • 5A00.00 – congenital parenchymatous goitre
  • 5A00.1 – iodine-deficiency-related goitre
  • 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

  • 5A01.0 – Nontoxic diffuse goitre
  • 5A01.2 – Nontoxic multinodular goitre
  • 5A01.Z – Nontoxic goitre, unspecified

Foundation entity

Nontoxic single thyroid nodule – http://id.who.int/icd/entity/1405941300

Part of: 5A01: Nontoxic goitre › 05: Endocrine, nutritional or metabolic diseases