LA22.3

听骨发育异常

Structural developmental anomalies of ear ossicles

定义

产前耳骨未能正常发育引起的任何情况。

Any condition caused by failure of the ear ossicles to correctly develop during the antenatal period.

英文词条（34）

Structural developmental anomalies of ear ossicles
Malformations of ear ossicles
Ossicular malformations
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

后组配是在主干编码之后追加的可选扩展轴（如侧别、具体解剖部位、严重程度），用于把「部位 + 侧别 + 病程」等细节一次表达完整。只有标注「必填」的轴在组合编码时必须给出，其余可留空。