M31.3
⚠ Non-billable
Wegener's granulomatosis
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M31.3
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M31.3?
ICD-10-CM code M31.3 represents Wegener's granulomatosis. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M31.3 billable?
No. M31.3 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is M31.3 in?
M31.3 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M31 category
M31
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M31.0
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M31.1
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M31.2
Lethal midline granuloma
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M31.4
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M31.5
Giant cell arteritis with polymyalgia rheumatica
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M31.6
Other giant cell arteritis
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M31.7
Microscopic polyangiitis
Billable
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