| ICD-10 Code | Description |
| H61.001 | Unspecified perichondritis of right external ear |
| H61.002 | Unspecified perichondritis of left external ear |
| H61.003 | Unspecified perichondritis of external ear, bilateral |
| H61.009 | Unspecified perichondritis of external ear, unspecified 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 |
| H61.021 | Chronic perichondritis of right external ear |
| H61.022 | Chronic perichondritis of left external ear |
| H61.023 | Chronic perichondritis of external ear, bilateral |
| H61.029 | Chronic perichondritis of external ear, unspecified ear |
| H61.031 | Chondritis of right external ear |
| H61.032 | Chondritis of left external ear |
| H61.033 | Chondritis of external ear, bilateral |
| H61.039 | Chondritis of external ear, unspecified ear |
