M31
Non-billableOther necrotizing vasculopathies
Other necrotizing vasculopathies
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (10)
M31.0Hypersensitivity angiitis
M31.1Thrombotic microangiopathy
M31.2Lethal midline granuloma
M31.3Wegener's granulomatosis
M31.4Aortic arch syndrome [Takayasu]
M31.5Giant cell arteritis with polymyalgia rheumatica
M31.6Other giant cell arteritis
M31.7Microscopic polyangiitis
M31.8Other specified necrotizing vasculopathies
M31.9Necrotizing vasculopathy, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other necrotizing vasculopathies?
The ICD-10-CM code for other necrotizing vasculopathies is M31. The full clinical description is "Other necrotizing vasculopathies". M31 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M31 mean?
ICD-10-CM code M31 represents “Other necrotizing vasculopathies”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M31 a billable code?
No, M31 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under M31.
What chapter is M31 in?
M31 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M31?
M31 has Excludes1 notes indicating codes that cannot be used together with it, including: autoimmune disease, single organ or single cell-type -code to relevant condition category.
What are the subcategories under M31?
M31 has 10 child codes, including: M31.0 (Hypersensitivity angiitis), M31.1 (Thrombotic microangiopathy), M31.2 (Lethal midline granuloma), M31.3 (Wegener's granulomatosis), and 6 more.
What are the UMLS CUIs for M31?
M31 is linked to 1 UMLS Concept Unique Identifier: C0494942. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M31 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other necrotizing vasculopathies affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M31?
M31 maps to the ICD-11 code: 4A44.Z (Vasculitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.