M06.30

Billable

Rheumatoid nodule, unspecified site

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

Hard, firm lumps under the skin caused by rheumatoid arthritis, location not specified.

Coding Tips

•This is an unspecified site code; use more specific codes (M06.31-M06.39) when the nodule location is documented
•Rheumatoid nodules are a characteristic extra-articular manifestation of rheumatoid arthritis

Clinical Significance

Rheumatoid nodules represent extraarticular manifestations of rheumatoid arthritis, indicating more severe disease with potential for organ involvement. These subcutaneous nodules correlate with positive rheumatoid factor and increased disease activity.

Documentation Requirements

✓Confirmed rheumatoid arthritis diagnosis
✓Physical examination documenting firm, non-tender nodule
✓Description of nodule characteristics (size, consistency, mobility)
✓Site documentation showing unspecified location
✓Positive rheumatoid factor or anti-CCP antibodies typically present
✓Exclusion of other causes of subcutaneous nodules
✓Assessment of disease activity and severity
✓Documentation of systemic RA management

Commonly Confused Codes

L92.9 — Granulomatous disorder of skin without rheumatoid connection M79.3 — Panniculitis not associated with RA D48.1 — Benign neoplasm of connective tissue M06.3[1-9] — Site-specific rheumatoid nodule codes when location is known

Code Hierarchy

└M06Other rheumatoid arthritis └M06.3Rheumatoid nodule └M06.30Rheumatoid nodule, unspecified site

└M06.30Rheumatoid nodule, unspecified site