M08.972 (Juvenile arthritis, unspecified, left ankle and foot) compared with M08.979 (Juvenile arthritis, unspecified, unspecified ankle and foot), from the official CMS tabular data. M08.972 and M08.979 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. M08.972 and M08.979 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.
| M08.972Juvenile arthritis, unspecified, left ankle and foot | M08.979Juvenile arthritis, unspecified, unspecified 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 | Juvenile arthritis, unspecified, left ankle and foot is a billable ICD-10-CM diagnosis code (M08.972). | Juvenile arthritis, unspecified, unspecified ankle and foot is a billable ICD-10-CM diagnosis code (M08.979). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources