M31.31
BillableWegener's granulomatosis with renal involvement
M31.31 is the ICD-10-CM code for Wegener's granulomatosis with renal involvement. It is a billable, specific code valid for reimbursement.
M00-M99 Diseases of the musculoskeletal system and connective tissue
What this means — in plain language
MedlinePlus · NIHGranulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a rare disease. It is a type of vasculitis , or inflammation of the blood vessels. The inflammation limits the flow of blood to important organs, causing damage. It can affect any organ, but it mainly affects the sinuses, nose, trachea (windpipe), lungs, and kidneys. The cause of GPA is unknown. It can affect people at any age.…
Read more about Granulomatosis with Polyangiitis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labeling- TocilizumabInterleukin-6 Receptor Antagonist [EPC]›
- RituximabCD20-directed Cytolytic Antibody [EPC]›
- UpadacitinibJanus Kinase Inhibitor [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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