LA22.3ICD-11 MMS 2026-01
Structural developmental anomalies of ear ossicles
Description
Any condition caused by failure of the ear ossicles to correctly develop during the antenatal period.
Index terms
- Structural developmental anomalies of ear ossicles
- Malformations of ear ossicles
- Ossicular malformations
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- anomaly of ear ossicles
- anomaly of ossicles
- congenital abnormality of ear ossicles
- congenital anomaly of ossicles of ear
- congenital malformation of ear ossicles
- deformity of auditory ossicles
- deformity of ear ossicles, middle ear
- Structural developmental anomalies of ear ossicles without defect of external ear
- Malformations of ear ossicles without defect of external ear
- Ossicular malformations without defect of external ear
- Malleoincudal fixation
- Incudostapedial dislocation
- Stapes fixation
- Structural developmental anomalies of ear ossicles with defect of external ear
- Malformations of ear ossicles with defect of external ear
- Ossicular malformations with defect of external ear
- Hypoplasia, aplasia or malformation of the ossicular chain
- Fusion defects of the ossicular chain
- Congenital absence of incus
- agenesis of incus
- Congenital malposition of ear ossicles
- congenital malposition of auditory ossicles
- Congenital abnormal fusion of auditory ossicles
- congenital fixation of auditory ossicles
- congenital fused auditory ossicles
- congenital fusion of ear ossicles
- fusion of ear ossicles
- Accessory auditory ossicles
- extra auditory ossicles
- supernumerary auditory ossicles
- Persistent arteria stapedia
Exclusions from above levels
- http://id.who.int/icd/entity/733825440 – Inborn errors of metabolism
Sibling codes
LA22.0– MicrotiaLA22.1– AnotiaLA22.2– Aplasia or hypoplasia of external auditory canalLA22.4– Structural developmental anomalies of inner earLA22.Y– Other specified structural developmental anomalies of ear causing hearing impairmentLA22.Z– Structural developmental anomalies of ear causing hearing impairment, unspecified
Foundation entity
Structural developmental anomalies of ear ossicles – http://id.who.int/icd/entity/238760163
Allowed postcoordination axes
Part of: LA22: Structural developmental anomalies of ear causing hearing impairment › 20: Developmental anomalies