ICD-10 Diagnosis Code M31.0

Hypersensitivity angiitis

Diagnosis Code M31.0

ICD-10: M31.0
Short Description: Hypersensitivity angiitis
Long Description: Hypersensitivity angiitis
This is the 2018 version of the ICD-10-CM diagnosis code M31.0

Valid for Submission
The code M31.0 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Systemic connective tissue disorders (M30-M36)
      • Other necrotizing vasculopathies (M31)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M31.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Goodpasture's disease
  • Goodpasture's syndrome
  • Hemorrhage of kidney
  • Hypersensitivity angiitis
  • Immune complex urticaria
  • Infantile acute hemorrhagic edema
  • Necrotizing cutaneous vasculitis
  • Normocomplementemic urticarial vasculitis
  • Pulmonary renal syndrome
  • Urticarial vasculitis

Index of Diseases and Injuries
References found for the code M31.0 in the Index of Diseases and Injuries:

Information for Patients


Also called: Angiitis

Vasculitis is an inflammation of the blood vessels. It happens when the body's immune system attacks the blood vessel by mistake. It can happen because of an infection, a medicine, or another disease. The cause is often unknown.

Vasculitis can affect arteries, veins and capillaries. Arteries are vessels that carry blood from the heart to the body's organs. Veins are the vessels that carry blood back to the heart. Capillaries are tiny blood vessels that connect the small arteries and veins.

When a blood vessel becomes inflamed, it can

  • Narrow, making it more difficult for blood to get through
  • Close off completely so that blood can't get through
  • Stretch and weaken so much that it bulges. The bulge is called an aneurysm. If it bursts, it can cause dangerous bleeding inside the body.

Symptoms of vasculitis can vary, but usually include fever, swelling and a general sense of feeling ill. The main goal of treatment is to stop the inflammation. Steroids and other medicines to stop inflammation are often helpful.

NIH: National Heart, Lung, and Blood Institute

  • Allergic vasculitis (Medical Encyclopedia)
  • Aortic angiography (Medical Encyclopedia)
  • Cerebral angiography (Medical Encyclopedia)
  • Henoch-Schonlein purpura (Medical Encyclopedia)
  • Necrotizing vasculitis (Medical Encyclopedia)
  • Polyarteritis nodosa (Medical Encyclopedia)
  • Takayasu arteritis (Medical Encyclopedia)

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