M05.59
BillableRheumatoid polyneuropathy with rheumatoid arthritis of multiple sites
HCC Category Mapping
V28HCC 93 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.175What This Code Means
Rheumatoid arthritis with nerve damage affecting multiple joints throughout the body.
Coding Tips
- •This code indicates involvement of three or more joint sites
- •Document should clearly show polyneuropathy and rheumatoid arthritis affecting multiple anatomical locations
Clinical Significance
Represents rheumatoid arthritis with polyneuropathy affecting multiple sites, indicating severe systemic inflammatory disease with widespread joint and neurological involvement. This diagnosis reflects the most complex form of RA with extensive organ system involvement requiring intensive medical management.
Documentation Requirements
- ✓Confirmed rheumatoid arthritis diagnosis with established criteria
- ✓Documentation of polyneuropathy through clinical or diagnostic evidence
- ✓Multiple joint sites involvement clearly documented
- ✓Evidence of systemic inflammation and high disease activity
- ✓Comprehensive neurological assessment confirming polyneuropathy
- ✓Functional assessment showing multi-system impairment
- ✓Documentation of aggressive treatment regimen including biologics
- ✓Physician documentation of RA-polyneuropathy causal relationship
Commonly Confused Codes
M05.60 — RA with organ involvement but without multiple site specificationM06.89 — Other specified rheumatoid arthritis without polyneuropathyG62.9 — Polyneuropathy without rheumatoid arthritis connectionM79.3 — Panniculitis without confirmed RA diagnosisM35.9 — Connective tissue disorder without specific RA diagnosis
Code Hierarchy
└M05Rheumatoid arthritis with rheumatoid factor└M05.5Rheumatoid polyneuropathy with rheumatoid arthritis└M05.59Rheumatoid polyneuropathy with rheumatoid arthritis of multiple sites
└M05.59Rheumatoid polyneuropathy with rheumatoid arthritis of multiple sites