Get started free

M31.3

Non-billable

Wegener's granulomatosis

M31.3 is the ICD-10-CM code for Wegener's granulomatosis. It is a non-billable category code — use a more specific child code such as M31.30 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M31
Subcodes
2
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • •Granulomatosis with polyangiitis
  • •Necrotizing respiratory granulomatosis

Frequently asked questions

What is ICD-10 code M31.3?
M31.3 is the ICD-10-CM code for "Wegener's granulomatosis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M31.3 a billable code?
No — M31.3 is a non-billable header code. Use a more specific child code (such as M31.30) for billing.
What are the subcodes of M31.3?
M31.3 has 2 more specific child codes, including M31.30, M31.31.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →