ICD-11 MMS

19 Certain conditions originating in the perinatal period

Transitory endocrine or metabolic disorders specific to fetus or newborn  (KB60-KB6Z)

KB62 Transitory neonatal disorders of thyroid function

KB62.3 Transient hypothyroxinaemia

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Transient hypothyroxinaemia is characterised by low thyroxine (T4, T3 and FT4) levels but normal level of thyroid-stimulating hormone (TSH), and is seen in preterm infants, usually those born before 30 weeks of gestational age.

synonyms

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