AutoICD API

4A44

Vasculitis

Vasculitis

Classification

ICD-11

Parent Code

BlockL1-4A4

Child Codes

14

WHO Foundation

View on WHO

Child Codes (14)

4A44.0

Rhizomelic pseudopolyarthritis

4A44.1

Aortic arch syndrome

4A44.2

Giant cell arteritis

4A44.3

Single organ vasculitis

4A44.4

Polyarteritis nodosa

4A44.5

Mucocutaneous lymph node syndrome

4A44.6

Sneddon syndrome

4A44.7

Primary angiitis of the central nervous system

4A44.8

Thromboangiitis obliterans

4A44.9

Immune complex small vessel vasculitis

4A44.A

Antineutrophil cytoplasmic antibody-associated vasculitis

4A44.B

Leukocytoclastic vasculitis

4A44.Y

Other specified vasculitis

4A44.Z

Vasculitis, unspecified

Frequently Asked Questions
What is the ICD-11 code for vasculitis?

The ICD-11 code for vasculitis is 4A44. The full clinical description is "Vasculitis".

What does ICD-11 code 4A44 mean?

ICD-11 code 4A44 represents “Vasculitis”. It is classified under Chapter 4: Diseases of the Immune System.

What chapter is 4A44 in?

4A44 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).

What is the ICD-10 equivalent of ICD-11 code 4A44?

There is no direct ICD-10 mapping available for 4A44 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.

What is the difference between ICD-10 and ICD-11?

ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.

What are the subcategories under 4A44?

4A44 has 14 child codes, including: 4A44.0 (Rhizomelic pseudopolyarthritis), 4A44.1 (Aortic arch syndrome), 4A44.2 (Giant cell arteritis), 4A44.3 (Single organ vasculitis), and 10 more.

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