H95.191 (Other disorders following mastoidectomy, right ear) compared with H95.199 (Other disorders following mastoidectomy, unspecified ear), from the official CMS tabular data. H95.191 and H95.199 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. H95.191 and H95.199 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| H95.191Other disorders following mastoidectomy, right ear | H95.199Other disorders following mastoidectomy, unspecified ear | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95) | H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95) |
| Definition | Other disorders following mastoidectomy, right ear is a billable ICD-10-CM diagnosis code (H95.191). | Other disorders following mastoidectomy, unspecified ear is a billable ICD-10-CM diagnosis code (H95.199). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources