H80.90 Unspecified otosclerosis, unspecified ear

Billable ICD-10-CM code, FY2026.

Applies from H80 Otosclerosis

Includes

• Otospongiosis

MS-DRG index

Defines the logic of DRG(s) 154-156 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 387.9 Otosclerosis, unspecified (approximate)

Nearby codes

• H80.80 Other otosclerosis, unspecified ear
• H80.81 Other otosclerosis, right ear
• H80.82 Other otosclerosis, left ear
• H80.83 Other otosclerosis, bilateral
• H80.9 Unspecified otosclerosis
• H80.90 Unspecified otosclerosis, unspecified ear (this code)
• H80.91 Unspecified otosclerosis, right ear
• H80.92 Unspecified otosclerosis, left ear
• H80.93 Unspecified otosclerosis, bilateral