ICD-10-CM > H60-H95 > H60-H62 > H61 > H61.0 > H61.01 H61.01 Acute perichondritis of external ear Non-Billable/Non-Specific Codes H61.011Acute perichondritis of right external earH61.012Acute perichondritis of left external earH61.013Acute perichondritis of external ear, bilateralH61.019Acute perichondritis of external ear, unspecified ear