M31.31 – Wegener's granulomatosis with renal involvement
ICD-10-CM 2027 diagnosis code · Systemic connective tissue disorders
ICD-10-CM code
M31.31
- Code
M31.31(claims format:M3131)- Description
- Wegener's granulomatosis with renal involvement
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M30-M36 Systemic connective tissue disorders
- Parent codes
- M31 › M31.3
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M31.3 – Wegener's granulomatosis
Applicable to:
- Granulomatosis with polyangiitis
- Necrotizing respiratory granulomatosis
Block M30-M36
Includes:
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes1 (not coded here):
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Index terms for M31.31
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Syndrome, Wegener's, with, kidney involvement
- Disorder, glomerular, Wegener's granulomatosis
- Glomerulonephritis, in, Wegener's granulomatosis
- Granulomatosis, Wegener's, with renal involvement
- Wegener's granulomatosis or syndrome, with, kidney involvement
- Syndrome, Wegener's, with, lung involvement, with kidney involvement
- Wegener's granulomatosis or syndrome, with, lung involvement, with kidney involvement
Related codes in M31.3
Frequently asked questions
What is ICD-10 code M31.31?
M31.31 is the ICD-10-CM code for wegener's granulomatosis with renal involvement, in the block M30-M36 (Systemic connective tissue disorders).
Is M31.31 a billable code?
Yes. M31.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M31.31 belong to?
It belongs to category M31 – Other necrotizing vasculopathies.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.