M25 vs R26.2
M25 (Other joint disorder, not elsewhere classified) compared with R26.2 (Difficulty in walking, not elsewhere classified), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. M25 carries an Excludes2 note covering R26.2: “abnormality of gait and mobility (R26.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. M25 carries an Excludes2 note covering R26.2: “difficulty in walking (R26.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| M25Other joint disorder, not elsewhere classified | R26.2Difficulty in walking, not elsewhere classified | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Other joint disorder, not elsewhere classified is a non-billable ICD-10-CM category code (M25). | Difficulty in walking, not elsewhere classified is a billable ICD-10-CM diagnosis code (R26.2). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources