ICD-10-CM > M00-M99 > M30-M36 > M31 > M31.3 M31.3 Wegener's granulomatosis Non-Billable/Non-Specific Applicable To Granulomatosis with polyangiitisNecrotizing respiratory granulomatosis Codes M31.30Wegener's granulomatosis without renal involvementM31.31Wegener's granulomatosis with renal involvement