Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

H80.9

Unspecified otosclerosis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
H80.90Unspecified otosclerosis, unspecified earBillable
H80.91Unspecified otosclerosis, right earBillable
H80.92Unspecified otosclerosis, left earBillable
H80.93Unspecified otosclerosis, bilateralBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.