LA22.2
外耳道发育不全
Aplasia or hypoplasia of external auditory canal
- 层级
- 5 级
除外词 明确排除、需编到其他条目的情况
英文词条（2）
索引词 可用于检索该条目的同义词与别名
- 外耳道发育不全
- 骨性外耳道畸形 [possible translation]
- 骨性外耳道畸形
- 先天性外耳道缺失
- 外耳道缺如
- 耳道缺如
- 耳道缺如
- 外耳道发育不全
- 骨性外耳道发育不全
- 先天性外耳道闭锁
- 外耳道闭锁
- 外耳道闭锁
- 骨性外耳道闭锁
- 外耳道闭锁
- 外耳道闭锁
- 骨性外耳道闭锁
- 先天性外耳道狭窄
- 先天性外耳道狭窄
- 外耳道狭窄
- 先天性外耳道狭窄
- 先天性外耳道狭窄
- 先天性外耳道狭窄
- 先天性骨性外耳道狭窄
- 骨性外耳道狭窄
- 外耳道融合
- 外耳道狭窄
- 外耳道狭窄
- 骨性外耳道狭窄
英文词条（27）
- Aplasia or hypoplasia of external auditory canal
- anomaly of osseous meatus
- Congenital absence of external auditory canal
- absence of auditory canal
- absence of ear canal
- absence of external auditory canal
- agenesis of auditory canal
- agenesis of osseous meatus
- Congenital atresia of external auditory canal
- atresia of auditory canal
- atresia of external auditory canal
- atresia of osseous meatus
- atretic auditory canal
- atretic external auditory canal
- ear osseous meatus atresia
- Congenital stenosis of external auditory canal
- auditory canal stricture
- congenital stenosis of external ear canal
- congenital stricture of acoustic meatus
- congenital stricture of external auditory canal
- congenital stricture of meatus of ear
- congenital stricture of osseous meatus
- ear osseous meatus stricture
- fusion of auditory canal
- stricture of acoustic meatus
- stricture of meatus of ear
- stricture of osseous meatus
后组配轴 Postcoordination
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。
- 侧别laterality可选