M05.6
⚠ Non-billable (Header)Rheumatoid arthritis with involvement of other organs and systems
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from M05Rules from parent category M05: Rheumatoid arthritis with rheumatoid factor
- • rheumatic fever (I00)
- • juvenile rheumatoid arthritis (M08.-)
- • rheumatoid arthritis of spine (M45.-)
Child Codes (9)
M05.60Rheumatoid arthritis of unspecified site with involvement of other organs and systemsM05.61Rheumatoid arthritis of shoulder with involvement of other organs and systemsM05.62Rheumatoid arthritis of elbow with involvement of other organs and systemsM05.63Rheumatoid arthritis of wrist with involvement of other organs and systemsM05.64Rheumatoid arthritis of hand with involvement of other organs and systemsM05.65Rheumatoid arthritis of hip with involvement of other organs and systemsM05.66Rheumatoid arthritis of knee with involvement of other organs and systemsM05.67Rheumatoid arthritis of ankle and foot with involvement of other organs and systemsM05.69Rheumatoid arthritis of multiple sites with involvement of other organs and systems
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CodeM05.6
BillableNo — Header code
ParentM05
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes13 rule(s)
Excludes20 note(s)
Child codes9
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)