5A00.0

ICD-11 MMS 2026-01

Congenital hypothyroidism

Description

Hypothyroidism is a condition where the thyroid gland produces too little or no thyroid hormone, and the condition arises at birth. Common clinical features include decreased activity and increased sleep, feeding difficulty and constipation, prolonged jaundice, myxedematous facies, large fontanels (especially posterior), macroglossia, a distended abdomen with umbilical hernia, and hypotonia.

Exclusions from above levels

  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Child codes

  • 5A00.00 – Permanent congenital hypothyroidism with diffuse goitre
  • 5A00.01 – Permanent congenital hypothyroidism without goitre
  • 5A00.02 – Pendred syndrome
  • 5A00.03 – Transient congenital hypothyroidism
  • 5A00.04 – Congenital hypothyroidism due to iodine deficiency
  • 5A00.0Y – Other specified congenital hypothyroidism
  • 5A00.0Z – Congenital hypothyroidism, unspecified

Foundation children elsewhere

  • 5A61.41 – Congenital central hypothyroidism

Sibling codes

  • 5A00.1 – Iodine-deficiency-related thyroid disorders or allied conditions
  • 5A00.2 – Acquired hypothyroidism
  • 5A00.Z – Hypothyroidism, unspecified

Foundation entity

Congenital hypothyroidism – http://id.who.int/icd/entity/602450215

Part of: 5A00: Hypothyroidism › 05: Endocrine, nutritional or metabolic diseases