ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

M31.7 – Microscopic polyangiitis

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Type 1 Excludes

polyarteritis nodosa (M30.0)

Applicable To

Microscopic polyarteritis

GEM Conversion to ICD-9 CM

446.0

Fs: 10000 – Polyarteritis nodosa

MDC / MS-DRG Reference

DRG 545

CONNECTIVE TISSUE DISORDERS WITH MCC

DRG 546

CONNECTIVE TISSUE DISORDERS WITH CC

DRG 547

CONNECTIVE TISSUE DISORDERS WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Disorder (of) See also Disease

glomerular (in) N05.9

microscopic polyangiitis M31.7

Glomerulonephritis See also Nephritis N05.9

in (due to)

microscopic polyangiitis M31.7

Microscopic polyangiitis (polyarteritis) M31.7

Polyangiitis M30.0

microscopic M31.7

Polyarteritis

microscopic M31.7

Polyneuropathy (peripheral) G62.9

in (due to)

microscopic polyangiitis M31.7

Sibling Codes

M31.0

Hypersensitivity angiitis

M31.1

Thrombotic microangiopathy

M31.2

Lethal midline granuloma

M31.3

Wegener's granulomatosis

M31.4

Aortic arch syndrome [Takayasu]

M31.5

Giant cell arteritis with polymyalgia rheumatica

M31.6

Other giant cell arteritis

M31.8

Other specified necrotizing vasculopathies

M31.9

Necrotizing vasculopathy, unspecified

Parent Sibling Codes

M30

Polyarteritis nodosa and related conditions

M31

Other necrotizing vasculopathies

M32

Systemic lupus erythematosus (SLE)

M33

Dermatopolymyositis

M34

Systemic sclerosis [scleroderma]

M35

Other systemic involvement of connective tissue

M36

Systemic disorders of connective tissue in diseases classified elsewhere

View in Tabular

Code	Title
M00-M99	Diseases of the musculoskeletal system and connective tissue (M00-M99)
M30-M36	Systemic connective tissue disorders (M30-M36)
M31	Other necrotizing vasculopathies
M31.7	Microscopic polyangiitis Type 1 Excludes polyarteritis nodosa (M30.0) Applicable to Microscopic polyarteritis