4A4Z

ICD-11 MMS 2026-01

Nonorgan specific systemic autoimmune disorders, unspecified

Exclusions from above levels

  • 02 – Neoplasms
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 20 – Developmental anomalies

Sibling codes

  • 4A40 – Lupus erythematosus
  • 4A41 – Idiopathic inflammatory myopathy
  • 4A42 – Systemic sclerosis
  • 4A43 – Overlap or undifferentiated nonorgan specific systemic autoimmune disease
  • 4A44 – Vasculitis
  • 4A45 – Antiphospholipid syndrome
  • 4A4Y – Other specified nonorgan specific systemic autoimmune disorders

Foundation entity

Nonorgan specific systemic autoimmune disorders – http://id.who.int/icd/entity/1008515027

Part of: 04: Diseases of the immune system