ICD-10-CM > H60-H95 > H90-H94 > H90 > H90.1 H90.1 Conductive hearing loss, unilateral with unrestricted hearing on the contralateral side Non-Billable/Non-Specific Codes H90.11Conductive hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral sideH90.12Conductive hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side