M89.271 (Other disorders of bone development and growth, right ankle and foot) compared with M89.272 (Other disorders of bone development and growth, left ankle and foot), from the official CMS tabular data. M89.271 and M89.272 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. M89.271 and M89.272 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.
| M89.271Other disorders of bone development and growth, right ankle and foot | M89.272Other disorders of bone development and growth, left ankle and foot | |
|---|---|---|
| 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 disorders of bone development and growth, right ankle and foot is a billable ICD-10-CM diagnosis code (M89.271). | Other disorders of bone development and growth, left ankle and foot is a billable ICD-10-CM diagnosis code (M89.272). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources