M31.3
Header — not billable
Wegener's granulomatosis
Wegener's granulomatosis
M31.3 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
M31.30
Wegener's granulomatosis without renal involvement
M31.31 Granulomatosis with polyangiitis (GPA) confirmed in the absence of renal involvement — necrotizing granulomatous vasculitis affecting the respiratory tract and other systems, with kidneys explicitly spared or not yet implicated.
Wegener's granulomatosis with renal involvement
Granulomatosis with polyangiitis (GPA/Wegener's) with confirmed renal involvement, such as glomerulonephritis — the more severe phenotype within the M31.3 subcategory.
Inclusion & exclusion notes
Includes
- Granulomatosis with polyangiitis
- Necrotizing respiratory granulomatosis