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M31.0 - Hypersensitivity angiitis


The ICD 10 Code for Hypersensitivity angiitis is listed as M31.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: M31.0
Description: Hypersensitivity angiitis
  • Goodpasture's syndrome
Diagnostic Related Groups
(MS-DRG v30.0)
545 - Connective Tissue Disorders W Mcc
546 - Connective Tissue Disorders W Cc
547 - Connective Tissue Disorders W/o Cc/mcc
Chapter Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block Systemic connective tissue disorders (M30-M36)
Parent M31 - Other necrotizing vasculopathies
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 446.20 - Hypersensitivity angiitis, unspecified (approximate)
ICD 9 Dx Code: 446.21 - Goodpasture's syndrome (approximate)
ICD 9 Dx Code: 446.29 - Other specified hypersensitivity angiitis (approximate)
ICD-10-CM Siblings (same level / similar specificity) of M31.0:
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
M31.7 - Microscopic polyangiitis
M31.8 - Other specified necrotizing vasculopathies
M31.9 - Necrotizing vasculopathy, unspecified