▷ Primary immunodeficiencies
    ▷ Acquired immunodeficiencies
    ▷ Nonorgan specific systemic autoimmune disorders
    ▷ Autoinflammatory disorders
    ▷ Allergic or hypersensitivity conditions
    ▷ Immune system disorders involving white cell lineages
    ▷ Certain disorders involving the immune system
    ▷ Diseases of thymus
    ▷ Organ specific autoimmune disorders