M62.042 (Separation of muscle (nontraumatic), left hand) compared with M62.049 (Separation of muscle (nontraumatic), unspecified hand), from the official CMS tabular data. M62.042 and M62.049 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. M62.042 and M62.049 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.
| M62.042Separation of muscle (nontraumatic), left hand | M62.049Separation of muscle (nontraumatic), unspecified hand | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the musculoskeletal system and connective tissue | M00-M99 — Diseases of the musculoskeletal system and connective tissue |
| Definition | Separation of muscle (nontraumatic), left hand is a billable ICD-10-CM diagnosis code (M62.042). | Separation of muscle (nontraumatic), unspecified hand is a billable ICD-10-CM diagnosis code (M62.049). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources