H61.01 - Acute perichondritis of external ear H61.0 - Chondritis and perichondritis of external ear H61.01 - Acute perichondritis of external ear
H61.011 - Acute perichondritis of right external ear H61.012 - Acute perichondritis of left external ear H61.013 - Acute perichondritis of external ear, bilateral H61.019 - Acute perichondritis of external ear, unspecified ear