| Full description | Rheumatoid arthritis of ankle and foot with involvement of other organs and systems |
| Billable | No — use a more specific child code |
| Chapter | Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99) |
| Section | Inflammatory polyarthropathies (M05-M14) |
| Parent code | M05.6 — Rheumatoid arthritis w involvement of oth organs and systems |