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M30.8

Billable

Other conditions related to polyarteritis nodosa

HCC Category Mapping

V28HCC 94 — Reactive and Specified Arthropathies
0.000
V24HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.307
ESRDHCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000
RxHCCHCC 84 — Vasculitis and Other Autoimmune Disorders
0.000

What This Code Means

Other related inflammatory blood vessel conditions that are associated with polyarteritis nodosa but don't fit the specific categories above.

Coding Tips

  • •Use this code only when the condition is clearly related to polyarteritis nodosa but doesn't meet criteria for M30.0-M30.3
  • •Document the specific condition and its relationship to polyarteritis nodosa for clarity

Clinical Significance

Other conditions related to polyarteritis nodosa represent variants or atypical presentations of medium-vessel necrotizing vasculitis that don't fit standard categories. These conditions still require aggressive immunosuppressive treatment and careful monitoring for organ involvement.

Documentation Requirements

  • ✓Clinical evidence of medium-vessel arteritis
  • ✓Documentation of specific variant or atypical features
  • ✓Biopsy or imaging confirmation of arterial involvement
  • ✓Explanation of why condition doesn't fit standard PAN categories
  • ✓Assessment of organ system involvement
  • ✓Response to vasculitis treatments
  • ✓Monitoring for typical PAN complications
  • ✓Consultation with vasculitis specialists

Commonly Confused Codes

M30.0 — Polyarteritis nodosa (classic form)M31.7 — Microscopic polyangiitis (small vessel involvement)I77.6 — Arteritis, unspecified (less specific)M35.9 — Systemic involvement of connective tissue, unspecifiedM79.3 — Panniculitis, unspecified (different inflammatory process)

Code Hierarchy

└M30Polyarteritis nodosa and related conditions└M30.8Other conditions related to polyarteritis nodosa
└M30.8Other conditions related to polyarteritis nodosa

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