M31.7
BillableMicroscopic polyangiitis
Microscopic polyangiitis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Microscopic polyarteritis
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
- •polyarteritis nodosaM30.0
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
Related Codes(9)
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
M31.8Other 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(38)
SNOMED CT
- Necrosis of artery7930004
- Polyarteritis20258000
- MPA - microscopic polyangiitis1144805008
- Micropolyangiitis1144805008
- Microscopic polyangiitis1144805008
- Microscopic polyarteritis1144805008
- Disorder of respiratory system due to microscopic polyangiitis1144809002
- Respiratory disease due to microscopic polyangiitis1144809002
- Vasculitis due to systemic disease1268295005
UMLS
- MPAC2347126
- MPA - microscopic polyangiitisC2347126
- MicropolyangiitisC2347126
- Microscopic PolyangiitidesC2347126
- Microscopic PolyangiitisC2347126
- Microscopic PolyarteritisC2347126
- Microscopic polyangiitisC2347126
- Microscopic polyangiitis (disorder)C2347126
- Microscopic polyarteritisC2347126
- Polyangiitides, MicroscopicC2347126
- Polyangiitis, MicroscopicC2347126
- microscopic polyangiitisC2347126
- microscopic polyarteritis nodosaC2347126
- polyarteritis nodosa microscopicC2347126
Clinical Terms
- polyarteritis nodosa microscopic
- Microscopic polyarteritis
- MPA - microscopic polyangiitis
- Polyangiitis, Microscopic
- Disorder of respiratory system due to microscopic polyangiitis
- Polyangiitides, Microscopic
- Microscopic Polyangiitides
- microscopic polyarteritis nodosa
- Microscopic polyangiitis (disorder)
- Vasculitis due to systemic disease
- Micropolyangiitis
- Polyarteritis
- MPA
- Necrosis of artery
- Respiratory disease due to microscopic polyangiitis
Frequently Asked Questions
What is the ICD-10 code for microscopic polyangiitis?
The ICD-10-CM code for microscopic polyangiitis is M31.7. The full clinical description is "Microscopic polyangiitis". M31.7 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M31.7 mean?
ICD-10-CM code M31.7 represents “Microscopic polyangiitis”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M31.7 a billable code?
Yes, M31.7 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M31.7 in?
M31.7 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M31.7?
M31.7 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; polyarteritis nodosa (M30.0).
What SNOMED CT codes does M31.7 map to?
M31.7 maps to 5 SNOMED CT concepts: 1144809002, 1144805008, 7930004, 20258000, 1268295005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M31.7?
M31.7 is linked to 1 UMLS Concept Unique Identifier: C2347126. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M31.7 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like microscopic polyangiitis 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 M31.7?
M31.7 maps to the ICD-11 code: 4A44.A0 (Microscopic polyangiitis).
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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.