M05.641

Billable

Rheumatoid arthritis of right hand with involvement of other organs and systems

HCC Category Mapping

V28HCC 93 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.175

V24HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.307

ESRDHCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.000

RxHCCHCC 83 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.000

What This Code Means

Rheumatoid arthritis affecting the right hand with systemic complications involving other organs such as the heart, lungs, or blood vessels.

Coding Tips

•This code indicates seropositive rheumatoid arthritis with extra-articular manifestations; document which organs are involved for complete clinical picture
•Verify laterality is documented as right hand and confirm presence of systemic involvement before assigning this code

Clinical Significance

Represents rheumatoid arthritis of the right hand with involvement of other organs and systems, indicating severe systemic inflammatory disease with extra-articular complications. This diagnosis reflects complex RA requiring comprehensive management due to both hand joint destruction and systemic manifestations affecting multiple organs.

Documentation Requirements

✓Confirmed rheumatoid arthritis diagnosis with clinical or laboratory evidence
✓Specific right hand joint involvement with inflammatory changes
✓Documentation of extra-articular organ system involvement
✓Evidence of systemic complications beyond hand arthritis
✓Laboratory markers supporting active systemic inflammation
✓Specialist consultations confirming multi-organ involvement
✓Assessment of hand function and grip strength
✓Physician documentation establishing RA-systemic disease connection

Commonly Confused Codes

M05.642 — Use for left hand involvement specifically M05.649 — Use when hand laterality is not specified M19.041 — Osteoarthritis of right hand without RA M06.841 — Other specified RA of right hand without organ involvement M25.541 — Pain in right hand without confirmed arthritis

Code Hierarchy

└M05Rheumatoid arthritis with rheumatoid factor └M05.6Rheumatoid arthritis with involvement of other organs and systems └M05.64Rheumatoid arthritis of hand with involvement of other organs and systems └M05.641Rheumatoid arthritis of right hand with involvement of other organs and systems

└M05.641Rheumatoid arthritis of right hand with involvement of other organs and systems