ICD-11 classes
05 Endocrine, nutritional or metabolic diseases
Endocrine diseases
Disorders of the thyroid gland or thyroid hormones system
5A00 — Hypothyroidism
5A00.0 — Congenital hypothyroidism

ICD-11 5A00.0 — Congenital hypothyroidism

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.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 5A00.0 contains 8 clarifying diagnoses:

1. 5A00.00 — Permanent congenital hypothyroidism with diffuse goitre
2. 5A00.01 — Permanent congenital hypothyroidism without goitre
3. 5A00.02 — Pendred syndrome
4. 5A00.03 — Transient congenital hypothyroidism
5. 5A00.04 — Congenital hypothyroidism due to iodine deficiency
6. 5A61.41 — Congenital central hypothyroidism
7. 5A00.0Y — Other specified congenital hypothyroidism
8. 5A00.0Z — Congenital hypothyroidism, unspecified