M01.X22 (Direct infection of left elbow in infectious and parasitic diseases classified elsewhere) compared with M01.X29 (Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere), from the official CMS tabular data. M01.X22 and M01.X29 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. M01.X22 and M01.X29 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.
| M01.X22Direct infection of left elbow in infectious and parasitic diseases classified elsewhere | M01.X29Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere | |
|---|---|---|
| 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 | Direct infection of left elbow in infectious and parasitic diseases classified elsewhere is a billable ICD-10-CM diagnosis code (M01.X22). | Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere is a billable ICD-10-CM diagnosis code (M01.X29). |
| Code first | underlying disease, such as: leprosy [Hansen's disease] (A30.-) | underlying disease, such as: leprosy [Hansen's disease] (A30.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources