H61.31 - Acquired stenosis of external ear canal secondary to trauma H61.3 - Acquired stenosis of external ear canal H61.31 - Acquired stenosis of external ear canal secondary to trauma
H61.311 - Acquired stenosis of right external ear canal secondary to trauma H61.312 - Acquired stenosis of left external ear canal secondary to trauma H61.313 - Acquired stenosis of external ear canal secondary to trauma, bilateral H61.319 - Acquired stenosis of external ear canal secondary to trauma, unspecified ear