M31.0
✓ Billable
Hypersensitivity angiitis
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M31.0
System
ICD-10-CM
Billable
Yes — valid for submission
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 M31.0?
ICD-10-CM code M31.0 represents Hypersensitivity angiitis. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M31.0 billable?
Yes. M31.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M31.0 in?
M31.0 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
Other necrotizing vasculopathies
Non-billable
M31.1
Thrombotic microangiopathy
Non-billable
M31.2
Lethal midline granuloma
Billable
M31.3
Wegener's granulomatosis
Non-billable
M31.4
Aortic arch syndrome [Takayasu]
Billable
M31.5
Giant cell arteritis with polymyalgia rheumatica
Billable
M31.6
Other giant cell arteritis
Billable
M31.7
Microscopic polyangiitis
Billable
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