| H61.81 | Exostosis of external canal | NON-BILLABLE CODE |
| H61.811 | Exostosis of right external canal | BILLABLE CODE |
| H61.812 | Exostosis of left external canal | BILLABLE CODE |
| H61.813 | Exostosis of external canal, bilateral | BILLABLE CODE |
| H61.819 | Exostosis of external canal, unspecified ear | BILLABLE CODE |
| H61.89 | Other specified disorders of external ear | NON-BILLABLE CODE |
| H61.891 | Other specified disorders of right external ear | BILLABLE CODE |
| H61.892 | Other specified disorders of left external ear | BILLABLE CODE |
| H61.893 | Other specified disorders of external ear, bilateral | BILLABLE CODE |
| H61.899 | Other specified disorders of external ear, unspecified ear | BILLABLE CODE |
