M61.111 (Myositis ossificans progressiva, right shoulder) compared with M61.112 (Myositis ossificans progressiva, left shoulder), from the official CMS tabular data. M61.111 and M61.112 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. M61.111 and M61.112 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.
| M61.111Myositis ossificans progressiva, right shoulder | M61.112Myositis ossificans progressiva, left shoulder | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Myositis ossificans progressiva, right shoulder is a billable ICD-10-CM diagnosis code (M61.111). | Myositis ossificans progressiva, left shoulder is a billable ICD-10-CM diagnosis code (M61.112). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources