H80.0 – Otosclerosis involving oval window, nonobliterative
ICD-10-CM 2027 diagnosis code · Diseases of inner ear
ICD-10-CM code
H80.0
- Code
H80.0(claims format:H800)- Description
- Otosclerosis involving oval window, nonobliterative
- 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 H80.0
H80.0 is a header code and cannot be used on claims. Choose the most specific code:
- H80.00 – Otosclerosis involving oval window, nonobliterative, unspecified earBillable
- H80.01 – Otosclerosis involving oval window, nonobliterative, right earBillable
- H80.02 – Otosclerosis involving oval window, nonobliterative, left earBillable
- H80.03 – Otosclerosis involving oval window, nonobliterative, bilateralBillable
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 H80.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H80
Frequently asked questions
What is ICD-10 code H80.0?
H80.0 is the ICD-10-CM code for otosclerosis involving oval window, nonobliterative, in the block H80-H83 (Diseases of inner ear).
Is H80.0 a billable code?
No. H80.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does H80.0 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.