H80.02
✓ Billable
Otosclerosis involving oval window, nonobliterative, left ear
ICD-10-CM · FY2026 · Diseases of the Ear and Mastoid Process
Code
H80.02
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Ear and Mastoid Process
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H80.02?
ICD-10-CM code H80.02 represents Otosclerosis involving oval window, nonobliterative, left ear. It is a billable diagnosis code in the Diseases of the Ear and Mastoid Process chapter, effective October 1, 2025 – September 30, 2026.
Is H80.02 billable?
Yes. H80.02 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H80.02 in?
H80.02 belongs to the Diseases of the Ear and Mastoid Process chapter (H60–H95) of ICD-10-CM.
Related codes in the H80 category
H80
Otosclerosis
Non-billable
H80.0
Otosclerosis involving oval window, nonobliterative
Non-billable
H80.1
Otosclerosis involving oval window, obliterative
Non-billable
H80.2
Cochlear otosclerosis
Non-billable
H80.8
Other otosclerosis
Non-billable
H80.9
Unspecified otosclerosis
Non-billable
H80.00
Otosclerosis involving oval window, nonobliterative, unspecified ear
Billable
H80.01
Otosclerosis involving oval window, nonobliterative, right ear
Billable
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