20Developmental anomalies Structural developmental anomalies primarily affecting one body system Structural developmental anomalies of the face, mouth or teeth Clefts of lip, alveolus or palate LA42Cleft palate
LA42.0
category
Cleft hard palate
Definition A condition caused by failure of the palate to correctly develop during the antenatal period. This condition is characterised by a fissure extending across the palate, including the bony portion of the palate. This condition may present with disruption of sucking or swallowing in neonates.
Also indexed as
Cleft hard palate Hard palate perforation
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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