19Certain conditions originating in the perinatal period
Transitory endocrine or metabolic disorders specific to fetus or newborn
KB63Certain specified transitory neonatal electrolyte or metabolic disturbances
KB63.2
category
Disturbances of sodium balance of newborn
Definition A paediatric condition characterised by abnormally high or low levels of sodium in the blood in a newborn, when the normal range is defined as 135 to 150 mEq/L.
Nearby in Certain specified transitory neonatal electrolyte or metabolic disturbances
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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