H74.21 (Discontinuity and dislocation of right ear ossicles) compared with H74.22 (Discontinuity and dislocation of left ear ossicles), from the official CMS tabular data. H74.21 and H74.22 code the same condition on opposite sides. MedCoder-derived
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. H74.21 and H74.22 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.
| H74.21Discontinuity and dislocation of right ear ossicles | H74.22Discontinuity and dislocation of left ear ossicles | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H60-H95 — Diseases of the ear and mastoid process | H60-H95 — Diseases of the ear and mastoid process |
| Definition | Discontinuity and dislocation of right ear ossicles is a billable ICD-10-CM diagnosis code (H74.21). | Discontinuity and dislocation of left ear ossicles is a billable ICD-10-CM diagnosis code (H74.22). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources