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M31

Non-billable

Other necrotizing vasculopathies

M31 is the ICD-10-CM code for Other necrotizing vasculopathies. It is a non-billable category code — use a more specific child code such as M31.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
10
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

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No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

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 · NIH
VasculitisGiant Cell ArteritisHead and Neck CancerGranulomatosis with Polyangiitis

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code M31?
M31 is the ICD-10-CM code for "Other necrotizing vasculopathies". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M31 a billable code?
No — M31 is a non-billable header code. Use a more specific child code (such as M31.0) for billing.
What are the subcodes of M31?
M31 has 10 more specific child codes, including M31.0, M31.1, M31.2.

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

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