LA70.0

ICD-11 MMS 2026-01

Arrhinia

Description

Also called nasal agenesis, it is a very rare anomaly in which external nose does not develop and the nasal cavity is totally or partially obliterated.

Index terms

  • Arrhinia
  • Agenesis and underdevelopment of nose
  • Congenital absence of nose
Show allHide
  • absence of nose
  • agenesis of nose
  • arhinia
  • congenital hypoplasia of nose
  • congenital hypoplastic nose
  • congenital small nose
  • nose atresia
  • nose hypoplasia
  • underdevelopment of nose

Exclusions from above levels

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

Sibling codes

  • LA70.1 – Bifid nose
  • LA70.2 – Choanal atresia
  • LA70.3 – Congenital perforated nasal septum
  • LA70.Y – Other specified structural developmental anomalies of the nose or cavum
  • LA70.Z – Structural developmental anomalies of the nose or cavum, unspecified

Foundation entity

Arrhinia – http://id.who.int/icd/entity/409489963

Part of: LA70: Structural developmental anomalies of the nose or cavum › 20: Developmental anomalies