M31.7
Microscopic polyangiitis
Billable
Code Hierarchy
M31M31.7
Coding Guidelines
Inclusion Terms
- Microscopic polyarteritis
Excludes1 (Mutually Exclusive)
These codes should never be used together with M31.7
- M30.0 - polyarteritis nodosa (M30.0)
Related Codes
M31.0Billable
Hypersensitivity angiitis
M31.1Category
Thrombotic microangiopathy
M31.2Billable
Lethal midline granuloma
M31.3Category
Wegener's granulomatosis
M31.4Billable
Aortic arch syndrome [Takayasu]
M31.5Billable
Giant cell arteritis with polymyalgia rheumatica
M31.6Billable
Other giant cell arteritis
M31.8Billable
Other specified necrotizing vasculopathies
M31.9Billable
Necrotizing vasculopathy, unspecified
