M71.121 (Other infective bursitis, right elbow) compared with M71.122 (Other infective bursitis, left elbow), from the official CMS tabular data. M71.121 and M71.122 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. M71.121 and M71.122 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.
| M71.121Other infective bursitis, right elbow | M71.122Other infective bursitis, left 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 | Other infective bursitis, right elbow is a billable ICD-10-CM diagnosis code (M71.121). | Other infective bursitis, left elbow is a billable ICD-10-CM diagnosis code (M71.122). |
| Use additional code | code (B95.-, B96.-) to identify causative organism | code (B95.-, B96.-) to identify causative organism |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources