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Diagnosis Code

M31.9 NECROTIZING VASCULOPATHY, UNSPECIFIED


Code Information

Diagnosis Code: M31.9

Short Description: Necrotizing vasculopathy, unspecified

Long Description: Necrotizing vasculopathy, unspecified

The code M31.9 is VALID for claim submission

Code Classification:

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Systemic connective tissue disorders (M30-M36)
      • Other necrotizing vasculopathies (M31)
        • M31.9 Necrotizing vasculopathy, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Cryoglobulinemic vasculitis
  • Cutaneous complication of systemic sclerosis
  • Drug-induced necrotizing vasculitis
  • Lupus erythematosus-associated necrotizing vasculitis
  • Lupus vasculitis
  • Necrosis of artery
  • Necrotizing arteritis
  • Necrotizing cutaneous vasculitis
  • Necrotizing vasculitis
  • Necrotizing vasculitis due to mixed cryoglobulinemia
  • Necrotizing vasculitis secondary to connective tissue disease
  • Necrotizing vasculitis secondary to connective tissue disease
  • Scleroderma-associated necrotizing vasculitis
  • Small vessel vasculitis caused by immune complex
  • Vasculitis secondary to drug

Diagnostic Related Group(s)

The code M31.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Peripheral Vascular Disorders With Mcc (299)
  • Peripheral Vascular Disorders With Cc (300)
  • Peripheral Vascular Disorders Without Cc/mcc (301)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
M31.9 Right Arrow 447.5 Necrosis of artery

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
M31 Other necrotizing vasculopathies
M31.0 Hypersensitivity angiitis
M31.1 Thrombotic microangiopathy
M31.10 Thrombotic microangiopathy, unspecified
M31.11 Hematopoietic stem cell transplantation-associated thrombotic microangiopathy [HSCT-TMA]
M31.19 Other thrombotic microangiopathy
M31.2 Lethal midline granuloma
M31.3 Wegener's granulomatosis
M31.30 Wegener's granulomatosis without renal involvement
M31.31 Wegener's granulomatosis with renal involvement
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

This page was last updated on: 10/1/2023

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