M60.000 (Infective myositis, unspecified right arm) compared with M60.001 (Infective myositis, unspecified left arm), from the official CMS tabular data. M60.000 and M60.001 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. M60.000 and M60.001 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.
| M60.000Infective myositis, unspecified right arm | M60.001Infective myositis, unspecified left arm | |
|---|---|---|
| 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 | Infective myositis, unspecified right arm is a billable ICD-10-CM diagnosis code (M60.000). | Infective myositis, unspecified left arm is a billable ICD-10-CM diagnosis code (M60.001). |
| Includes | Infective myositis, right upper limb NOS | Infective myositis, left upper limb NOS |
| Use additional code | code (B95-B97) to identify infectious agent | code (B95-B97) to identify infectious agent |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources