LA41

ICD-11 MMS 2026-01

Cleft lip and alveolus

Description

Cleft lip and alveolus is a fissure type embryopathy that involves the upper lip, nasal base and alveolar ridge in variable degrees.

Exclusions from above levels

http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism

Child codes

LA41.0 – Cleft lip and alveolus, unilateral
LA41.1 – Cleft lip and alveolus, bilateral
LA41.Z – Cleft lip and alveolus, unspecified

Sibling codes

LA40 – Cleft lip
LA42 – Cleft palate
LA4Y – Other specified clefts of lip, alveolus or palate
LA4Z – Clefts of lip, alveolus or palate, unspecified

Foundation entity

Cleft lip and alveolus – http://id.who.int/icd/entity/1653169553

Allowed postcoordination axes

Part of: 20: Developmental anomalies