| Full description | Valgus deformity, not elsewhere classified, unspecified ankle |
| Billable | Yes |
| Chapter | Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99) |
| Section | Other joint disorders (M20-M25) |
| Parent code | M21.07 — Valgus deformity, not elsewhere classified, ankle |