M02.122 (Postdysenteric arthropathy, left elbow) compared with M02.129 (Postdysenteric arthropathy, unspecified elbow), from the official CMS tabular data. M02.122 and M02.129 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. M02.122 and M02.129 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.
| M02.122Postdysenteric arthropathy, left elbow | M02.129Postdysenteric arthropathy, unspecified elbow | |
|---|---|---|
| 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 | Postdysenteric arthropathy, left elbow is a billable ICD-10-CM diagnosis code (M02.122). | Postdysenteric arthropathy, unspecified elbow is a billable ICD-10-CM diagnosis code (M02.129). |
| Code first | underlying disease, such as: congenital syphilis [Clutton's joints] (A50.5) | underlying disease, such as: congenital syphilis [Clutton's joints] (A50.5) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources