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M30.1

Billable

Polyarteritis with lung involvement [Churg-Strauss]

HCC Category Mapping

V28HCC 278Fibrosis of Lung and Other Chronic Lung Disorders
1.091
V24HCC 40Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.307
ESRDHCC 40Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000
RxHCCHCC 84Vasculitis and Other Autoimmune Disorders
0.000

What This Code Means

A rare inflammatory disease (Churg-Strauss syndrome) that affects blood vessels and causes inflammation in the lungs along with other systemic symptoms.

Coding Tips

  • This condition is also known as eosinophilic granulomatosis with polyangiitis (EGPA); document the preferred terminology used
  • Specify the extent of lung involvement and any other affected organs for complete clinical picture

Clinical Significance

Churg-Strauss syndrome (Eosinophilic Granulomatosis with Polyangiitis) is a rare, life-threatening systemic vasculitis with prominent lung involvement and eosinophilia. The condition requires immediate aggressive treatment and has a high risk of organ damage and mortality if untreated.

Documentation Requirements

  • Clinical triad of asthma, eosinophilia, and systemic vasculitis
  • Pulmonary involvement documentation
  • Biopsy showing eosinophilic infiltration and necrotizing vasculitis
  • Laboratory evidence of eosinophilia
  • ANCA testing results if available
  • Documentation of affected organ systems
  • Assessment of cardiac involvement
  • Treatment response monitoring

Commonly Confused Codes

Code Hierarchy

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