M06.071
BillableRheumatoid arthritis without rheumatoid factor, right ankle and foot
HCC Category Mapping
V28HCC 93 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.175V24HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.307ESRDHCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000RxHCCHCC 83 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000What This Code Means
Rheumatoid arthritis without the typical blood marker affecting the right ankle and foot, causing joint inflammation and potential damage.
Coding Tips
- •This code is specific to the right side; use M06.072 for left side involvement
- •Document whether this is seronegative (RF negative) versus seropositive disease for accurate coding
Clinical Significance
Seronegative rheumatoid arthritis affecting right ankle and foot indicates systemic inflammatory disease with potential for joint destruction and functional impairment. This diagnosis supports risk adjustment for chronic autoimmune conditions requiring specialized care and immunosuppressive therapies.
Documentation Requirements
- ✓Established diagnosis of rheumatoid arthritis with physician documentation
- ✓Confirmed negative rheumatoid factor (RF) serology results
- ✓Specific documentation of right ankle and/or foot involvement
- ✓Clinical findings consistent with inflammatory arthritis
- ✓Evidence of synovitis, joint effusion, or inflammatory changes
- ✓Treatment with DMARDs, biologics, or other RA-specific therapies
- ✓Functional assessment including mobility and ambulation status
- ✓Exclusion of other inflammatory arthropathies
Commonly Confused Codes
Code Hierarchy
└M06Other rheumatoid arthritis└M06.0Rheumatoid arthritis without rheumatoid factor└M06.07Rheumatoid arthritis without rheumatoid factor, ankle and foot└M06.071Rheumatoid arthritis without rheumatoid factor, right ankle and foot
└M06.071Rheumatoid arthritis without rheumatoid factor, right ankle and foot