World Health Organization · 2026-01 · English
4A01.2 Diseases of immune dysregulation
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
4A01.20Immune dysregulation syndromes with hypopigmentation4A01.21Immune dysregulation syndromes presenting primarily with autoimmunity4A01.22Immune dysregulation syndromes presenting primarily with lymphoproliferation4A01.23Primary haemophagocytic lymphohistiocytosis4A01.2YOther specified diseases of immune dysregulation4A01.2ZDiseases of immune dysregulation, unspecified© World Health Organization · CC BY-ND 3.0 IGO