M79.652 (Pain in left thigh) compared with M79.659 (Pain in unspecified thigh), from the official CMS tabular data. M79.652 and M79.659 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. M79.652 and M79.659 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.
| M79.652Pain in left thigh | M79.659Pain in unspecified thigh | |
|---|---|---|
| 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 | Pain in left thigh is a billable ICD-10-CM diagnosis code (M79.652). | Pain in unspecified thigh is a billable ICD-10-CM diagnosis code (M79.659). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources