H80.1 – Otosclerosis involving oval window, obliterative

ICD-10-CM 2027 diagnosis code · Diseases of inner ear

Non-billable header

ICD-10-CM code H80.1

Code: H80.1 (claims format: H801)
Description: Otosclerosis involving oval window, obliterative
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 8. Diseases of the ear and mastoid process (H60-H95)
Block: H80-H83 Diseases of inner ear
Parent codes: H80

Billable codes under H80.1

H80.1 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H80 – Otosclerosis

Includes:

Otospongiosis

Index terms for H80.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Otosclerosis, involving, oval window, obliterative

Related codes in H80

Frequently asked questions

What is ICD-10 code H80.1?

H80.1 is the ICD-10-CM code for otosclerosis involving oval window, obliterative, in the block H80-H83 (Diseases of inner ear).

Is H80.1 a billable code?

No. H80.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H80.1 belong to?

It belongs to category H80 – Otosclerosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.