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I77.82 vs M30.1

I77.82 (Antineutrophilic cytoplasmic antibody [ANCA] vasculitis) compared with M30.1 (Polyarteritis with lung involvement [Churg-Strauss]), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. I77.82 carries an Excludes2 note covering M30.1: “eosinophilic granulomatosis with polyangiitis (M30.1)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. I77.82 carries an Excludes2 note covering M30.1: “collagen (vascular) diseases (M30-M36)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

I77.82Antineutrophilic cytoplasmic antibody [ANCA] vasculitisM30.1Polyarteritis with lung involvement [Churg-Strauss]
Billing statusBillableBillable
ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionAntineutrophilic cytoplasmic antibody [ANCA] vasculitis is a billable ICD-10-CM diagnosis code (I77.82).Polyarteritis with lung involvement [Churg-Strauss] is a billable ICD-10-CM diagnosis code (M30.1).
Includes
ANCA associated vasculitis
ANCA positive vasculitis
autoimmune disease NOS
collagen (vascular) disease NOS
systemic autoimmune disease
systemic collagen (vascular) disease

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources