ICD-10-CM > H60-H95 > H60-H62 > H61 > H61.8 H61.8 Other specified disorders of external ear Non-Billable/Non-Specific Codes H61.81Exostosis of external canalH61.811Exostosis of right external canalH61.812Exostosis of left external canalH61.813Exostosis of external canal, bilateralH61.819Exostosis of external canal, unspecified earH61.89Other specified disorders of external earH61.891Other specified disorders of right external earH61.892Other specified disorders of left external earH61.893Other specified disorders of external ear, bilateralH61.899Other specified disorders of external ear, unspecified ear