ICD-11 classes
19 Certain conditions originating in the perinatal period
Transitory endocrine or metabolic disorders specific to...
KB62 — Transitory neonatal disorders of thyroid function
KB62.3 — Transient hypothyroxinaemia
ICD-11 KB62.3 — Transient hypothyroxinaemia
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.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.